Dyfyniad APA

BELL, B. J. (1970). Reinforced Concrete Foundations / Brian J. Bell. Macdonald & Evans LTD.

Dyfyniad Arddull Chicago

BELL, Brian J. Reinforced Concrete Foundations / Brian J. Bell. Macdonald & Evans LTD, 1970.

Dyfyniad MLA

BELL, Brian J. Reinforced Concrete Foundations / Brian J. Bell. Macdonald & Evans LTD, 1970.

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