Não informado. (2021). Annual Report of the Director of the Museum of Comparative Zoology at Harvard College. Harvard College, Museum of Comparative Zoology.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Report of the Director of the Museum of Comparative Zoology at Harvard College. Cambridge, Mass: Harvard College, Museum of Comparative Zoology, 2021.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Report of the Director of the Museum of Comparative Zoology at Harvard College. Harvard College, Museum of Comparative Zoology, 2021.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.