Dyfyniad APA

Hoskin,michael. (2003). The history of astronomy: Avery short introduction. oxford university press.

Dyfyniad Arddull Chicago

Hoskin,michael. The History of Astronomy: Avery Short Introduction. newyork: oxford university press, 2003.

Dyfyniad MLA

Hoskin,michael. The History of Astronomy: Avery Short Introduction. oxford university press, 2003.

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