Παραπομπή APA

Time-Iternational. (1969). USA: A visitor's handbook. Amsterdam.

Παραπομπή Chicago Style

Time-Iternational. USA: A Visitor's Handbook. Time-life books: Amsterdam, 1969.

Παραπομπή MLA

Time-Iternational. USA: A Visitor's Handbook. Amsterdam, 1969.