APA
Semrau M., van Ommeren M., Blagescu M., Griekspoor A., Howard L. M., Jordans M., Lempp H., Marini A., Pedersen J., Pilotte I., Slade M. & Thornicroft G. (20121119). The development and psychometric properties of the Humanitarian Emergency Settings Perceived Needs (HESPER) Scale. : American journal of public health.
Chicago
Semrau Maya, van Ommeren Mark, Blagescu Monica, Griekspoor Andre, Howard Louise M, Jordans Mark, Lempp Heidi, Marini Anita, Pedersen Jon, Pilotte Isabelle, Slade Mike and Thornicroft Graham. 20121119. The development and psychometric properties of the Humanitarian Emergency Settings Perceived Needs (HESPER) Scale. : American journal of public health.
Harvard
Semrau M., van Ommeren M., Blagescu M., Griekspoor A., Howard L. M., Jordans M., Lempp H., Marini A., Pedersen J., Pilotte I., Slade M. and Thornicroft G. (20121119). The development and psychometric properties of the Humanitarian Emergency Settings Perceived Needs (HESPER) Scale. : American journal of public health.
MLA
Semrau Maya, van Ommeren Mark, Blagescu Monica, Griekspoor Andre, Howard Louise M, Jordans Mark, Lempp Heidi, Marini Anita, Pedersen Jon, Pilotte Isabelle, Slade Mike and Thornicroft Graham. The development and psychometric properties of the Humanitarian Emergency Settings Perceived Needs (HESPER) Scale. : American journal of public health. 20121119.