Dyfyniad APA

HEERY, G. T. (1975). Time, cost, and architecture. McGraw-hill.

Dyfyniad Arddull Chicago

HEERY, George T. Time, Cost, and Architecture. New York: McGraw-hill, 1975.

Dyfyniad MLA

HEERY, George T. Time, Cost, and Architecture. McGraw-hill, 1975.

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