Παραπομπή APA

C W S HOWE & R G Edwards. (1975). Immunobiology of Trophoblast. Cambridge.

Παραπομπή Chicago Style

C W S HOWE και R G Edwards. Immunobiology of Trophoblast. Cambridge, 1975.

Παραπομπή MLA

C W S HOWE και R G Edwards. Immunobiology of Trophoblast. Cambridge, 1975.