Dyfyniad APA

Marcus, B. W. (1992). Competing for clients in the 90's. Mc Graw Hill.

Dyfyniad Arddull Chicago

Marcus, Bruce W. Competing for Clients in the 90's. London: Mc Graw Hill, 1992.

Dyfyniad MLA

Marcus, Bruce W. Competing for Clients in the 90's. Mc Graw Hill, 1992.

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