Παραπομπή APA

Handlin Oscar and Others. (1960). Harvard Guide to American History. Harward University.

Παραπομπή Chicago Style

Handlin Oscar and Others. Harvard Guide to American History. Cambridge: Harward University, 1960.

Παραπομπή MLA

Handlin Oscar and Others. Harvard Guide to American History. Harward University, 1960.