Styl cytowania APA

Copeland, L., & Lamm, L. W. (1973). world's great speeches. Dover.

Styl cytowania Chicago

Copeland, Lewis, i Lawrence W. Lamm. World's Great Speeches. New York: Dover, 1973.

Styl cytowania MLA

Copeland, Lewis, i Lawrence W. Lamm. World's Great Speeches. Dover, 1973.