Dyfyniad APA

PARKER, S. P. (1982). MC GRAW HILL ENCYCLOPEDIA OF SCIENCE AND TECNOLOGY (AER- AZU). MCGRAW HILL BOOK CO.

Dyfyniad Arddull Chicago

PARKER, S P. MC GRAW HILL ENCYCLOPEDIA OF SCIENCE AND TECNOLOGY (AER- AZU). NEW-YORK: MCGRAW HILL BOOK CO, 1982.

Dyfyniad MLA

PARKER, S P. MC GRAW HILL ENCYCLOPEDIA OF SCIENCE AND TECNOLOGY (AER- AZU). MCGRAW HILL BOOK CO, 1982.

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