Dyfyniad APA

Levitt, T. (1974). Marketing for business growth. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Levitt, Theodore. Marketing for Business Growth. New York: McGraw-Hill, 1974.

Dyfyniad MLA

Levitt, Theodore. Marketing for Business Growth. New York: McGraw-Hill, 1974.

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