APA-referens (7:e uppl.)

Aguirre, A., & Hill, A. G. (1987). Childhood mortality estimates using the preceding birth technique: Some applications and extensions. Centre for Population Studies, London School of Hygiene & Tropical Medicine.

Chicago-referens (17:e uppl.)

Aguirre, Alejandro, och Allan G. Hill. Childhood Mortality Estimates Using the Preceding Birth Technique: Some Applications and Extensions. London: Centre for Population Studies, London School of Hygiene & Tropical Medicine, 1987.

MLA-referens (8:e uppl.)

Aguirre, Alejandro, och Allan G. Hill. Childhood Mortality Estimates Using the Preceding Birth Technique: Some Applications and Extensions. Centre for Population Studies, London School of Hygiene & Tropical Medicine, 1987.