Não informado. (1994). International Journal of Fertility and Menopausal Studies. Medical Science Publishing International.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. International Journal of Fertility and Menopausal Studies. Washington: Medical Science Publishing International, 1994.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. International Journal of Fertility and Menopausal Studies. Medical Science Publishing International, 1994.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.