Παραπομπή APA

Usuf, E., Mackenzie, G., Ceesay, L., Sowe, D., Kampmann, B., & Roca, A. (2018). Vaccine wastage in The Gambia: A prospective observational study. BMC Public Health.

Παραπομπή Chicago Style

Usuf, Effua, Grant Mackenzie, Lamin Ceesay, Dawda Sowe, Beate Kampmann, και Anna Roca. "Vaccine Wastage in The Gambia: A Prospective Observational Study." BMC Public Health 2018.

Παραπομπή MLA

Usuf, Effua, et al. "Vaccine Wastage in The Gambia: A Prospective Observational Study." BMC Public Health 2018.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.