Dyfyniad APA

Levitt, T. (1969). Marketing for business growth. Mc Graw Hill.

Dyfyniad Arddull Chicago

Levitt, Theodore. Marketing for Business Growth. New York: Mc Graw Hill, 1969.

Dyfyniad MLA

Levitt, Theodore. Marketing for Business Growth. Mc Graw Hill, 1969.

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