APA aipamena

Christ L Vermeij- keers. (1972). Transformations in the facial region of the human embryo. Berlin.

Chicago Style aipamena

Christ L Vermeij- keers. Transformations in the Facial Region of the Human Embryo. Berlin, 1972.

MLA aipamena

Christ L Vermeij- keers. Transformations in the Facial Region of the Human Embryo. Berlin, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.