Παραπομπή APA

Harris, H. (1974). Nucleus and cytoplasm (3rd ed.). Oxford University.

Παραπομπή Chicago Style

Harris, Henry. Nucleus and Cytoplasm. 3rd ed. London: Oxford University, 1974.

Παραπομπή MLA

Harris, Henry. Nucleus and Cytoplasm. 3rd ed. Oxford University, 1974.