APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.