Dyfyniad APA

Trumbull, C. P. (2000). 2000 Britannica book of the year. Encyclopaedia Britannica.

Dyfyniad Arddull Chicago

Trumbull, Charles P. 2000 Britannica Book of the Year. London: Encyclopaedia Britannica, 2000.

Dyfyniad MLA

Trumbull, Charles P. 2000 Britannica Book of the Year. Encyclopaedia Britannica, 2000.

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