Não informado. (2001). West African journal of pharmacology and drug research. Literamed Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. West African Journal of Pharmacology and Drug Research. Ikeja, Nigeria: Literamed Publications, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. West African Journal of Pharmacology and Drug Research. Literamed Publications, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.