Παραπομπή APA

Allchin, B., & Allchin, R. F. (1968). Birth of Indian civilization. Penguin.

Παραπομπή Chicago Style

Allchin, Bridget, και Raymond F. Allchin. Birth of Indian Civilization. Middlesex: Penguin, 1968.

Παραπομπή MLA

Allchin, Bridget, και Raymond F. Allchin. Birth of Indian Civilization. Penguin, 1968.