Dyfyniad APA

(1983). Development In Tall Buildings 1983. Hutchinson Ross.

Dyfyniad Arddull Chicago

Development In Tall Buildings 1983. Hutchinson Ross, 1983.

Dyfyniad MLA

Development In Tall Buildings 1983. Hutchinson Ross, 1983.

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