Παραπομπή APA

Bellairs, R. (1971). Developmental processes in higher vertebrates. Logos press.

Παραπομπή Chicago Style

Bellairs, Ruth. Developmental Processes in Higher Vertebrates. London: Logos press, 1971.

Παραπομπή MLA

Bellairs, Ruth. Developmental Processes in Higher Vertebrates. Logos press, 1971.