Gaya APA

Richards, Jack C. (1989). I AMERICAN BREAKTHROUGH . Oxford: Oxford University Press.

Gaya Chicago

Richards, Jack C. I AMERICAN BREAKTHROUGH. Oxford: Oxford University Press, 1989. Text.

Gaya MLA

Richards, Jack C. I AMERICAN BREAKTHROUGH. Oxford: Oxford University Press, 1989. Text.

Gaya Turabian

Richards, Jack C. I AMERICAN BREAKTHROUGH. Oxford: Oxford University Press, 1989. Print.