Παραπομπή APA

Birkett, C. (1979). Heredity, development and evolution. Macmillan.

Παραπομπή Chicago Style

Birkett, Christine. Heredity, Development and Evolution. London: Macmillan, 1979.

Παραπομπή MLA

Birkett, Christine. Heredity, Development and Evolution. Macmillan, 1979.