APA-referens (7:e uppl.)

Taylor, R. (1992). Metaphysics: Richard Taylor (4th ed.). Prentice-Hall.

Chicago-referens (17:e uppl.)

Taylor, Richard. Metaphysics: Richard Taylor. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1992.

MLA-referens (9:e uppl.)

Taylor, Richard. Metaphysics: Richard Taylor. 4th ed. Prentice-Hall, 1992.