APA استشهاد

Forbath, P. The River Congo: The discovery, exploration and exploitation of the world's most dramatic river (first edition.).

استشهاد بنمط شيكاغو

Forbath, Peter. The River Congo: The Discovery, Exploration and Exploitation of the World's Most Dramatic River. first edition.

MLA استشهاد

Forbath, Peter. The River Congo: The Discovery, Exploration and Exploitation of the World's Most Dramatic River. first edition.