Dyfyniad APA

Zhongguo ke xue yuan. Zhonghua di li zhi bian ji bu. (1957). Hua bei qu zi ran di li zi liao. Center for Chinese Research Materials, Association of Research Libraries.

Dyfyniad Arddull Chicago

Zhongguo ke xue yuan. Zhonghua di li zhi bian ji bu. Hua Bei Qu Zi Ran Di Li Zi Liao. [Washington, D.C.: Center for Chinese Research Materials, Association of Research Libraries, 1957.

Dyfyniad MLA

Zhongguo ke xue yuan. Zhonghua di li zhi bian ji bu. Hua Bei Qu Zi Ran Di Li Zi Liao. Center for Chinese Research Materials, Association of Research Libraries, 1957.

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