Dyfyniad APA

(1987). The New Encyclopaedia Britannica Volume 18 Higher Educations. The University of Chicago.

Dyfyniad Arddull Chicago

The New Encyclopaedia Britannica Volume 18 Higher Educations. The University of Chicago, 1987.

Dyfyniad MLA

The New Encyclopaedia Britannica Volume 18 Higher Educations. The University of Chicago, 1987.

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