Dyfyniad APA

JOHNSON, R. (1995). Ralph Johnson of Perkins and will: Building and projects. Rizzoli International Pub.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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