APA-referens (7:e uppl.)

Foerster, V. E. (1978). Worlds on Worlds: Journalistic writing. Prentice Hall, Inc.

Chicago-referens (17:e uppl.)

Foerster, Valerie E. Worlds on Worlds: Journalistic Writing. Englewood Cliffs, New Jersey: Prentice Hall, Inc, 1978.

MLA-referens (9:e uppl.)

Foerster, Valerie E. Worlds on Worlds: Journalistic Writing. Prentice Hall, Inc, 1978.