Dyfyniad APA

COLLEY, B. (1986). Practical Manual Of Site Development B.c. Colley Colley. McGraw-Hill.

Dyfyniad Arddull Chicago

COLLEY, B.C. Practical Manual Of Site Development B.c. Colley Colley. McGraw-Hill, 1986.

Dyfyniad MLA

COLLEY, B.C. Practical Manual Of Site Development B.c. Colley Colley. McGraw-Hill, 1986.

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