APA-referens (7:e uppl.)

JOHNSON, R. (1995). Ralph Johnson of perkins and will building and projects. Rizzoli.

Chicago-referens (17:e uppl.)

JOHNSON, Ralph. Ralph Johnson of Perkins and Will Building and Projects. New York: Rizzoli, 1995.

MLA-referens (9:e uppl.)

JOHNSON, Ralph. Ralph Johnson of Perkins and Will Building and Projects. Rizzoli, 1995.