Dyfyniad APA

Maintenance. (1975). Maintenance, by the Editors of Time-Life Books. Time life books.

Dyfyniad Arddull Chicago

Maintenance. Maintenance, by the Editors of Time-Life Books. New York: Time life books, 1975.

Dyfyniad MLA

Maintenance. Maintenance, by the Editors of Time-Life Books. Time life books, 1975.

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