APA

Schaaf H. S., Michaelis I. A., Richardson M., Booysen C. N., Gie R. P., Warren R., van Helden P. D. & Beyers N. (20030819). Adult-to-child transmission of tuberculosis: household or community contact?. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Chicago

Schaaf H S, Michaelis I A, Richardson M, Booysen C N, Gie R P, Warren R, van Helden P D and Beyers N. 20030819. Adult-to-child transmission of tuberculosis: household or community contact?. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Harvard

Schaaf H. S., Michaelis I. A., Richardson M., Booysen C. N., Gie R. P., Warren R., van Helden P. D. and Beyers N. (20030819). Adult-to-child transmission of tuberculosis: household or community contact?. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

MLA

Schaaf H S, Michaelis I A, Richardson M, Booysen C N, Gie R P, Warren R, van Helden P D and Beyers N. Adult-to-child transmission of tuberculosis: household or community contact?. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease. 20030819.