Dyfyniad APA

Rand, A. (1993). The fountainhead (25th Anniversary ed.). Signet Books An Imprint of New American Library.

Dyfyniad Arddull Chicago

Rand, Ayn. The Fountainhead. 25th Anniversary ed. New York: Signet Books An Imprint of New American Library, 1993.

Dyfyniad MLA

Rand, Ayn. The Fountainhead. 25th Anniversary ed. Signet Books An Imprint of New American Library, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.