APA

Madrigal-Fritsch H., Pérez Gil-Romo S. E., Romero-Ibarrola G., Batrouni-Kerkebe L., Domínguez-Cherit L., Fetter I. & Hernández-Avila M. (19930521). [The validation of qualitative nutritional indicators: the Guttman Scale vs the customary diet]. : Salud publica de Mexico.

Chicago

Madrigal-Fritsch H, Pérez Gil-Romo S E, Romero-Ibarrola G, Batrouni-Kerkebe L, Domínguez-Cherit L, Fetter I and Hernández-Avila M. 19930521. [The validation of qualitative nutritional indicators: the Guttman Scale vs the customary diet]. : Salud publica de Mexico.

Harvard

Madrigal-Fritsch H., Pérez Gil-Romo S. E., Romero-Ibarrola G., Batrouni-Kerkebe L., Domínguez-Cherit L., Fetter I. and Hernández-Avila M. (19930521). [The validation of qualitative nutritional indicators: the Guttman Scale vs the customary diet]. : Salud publica de Mexico.

MLA

Madrigal-Fritsch H, Pérez Gil-Romo S E, Romero-Ibarrola G, Batrouni-Kerkebe L, Domínguez-Cherit L, Fetter I and Hernández-Avila M. [The validation of qualitative nutritional indicators: the Guttman Scale vs the customary diet]. : Salud publica de Mexico. 19930521.