Dyfyniad APA

Cossman, E. J. (1963). How I made 1,000,000 in mail orders. Prentice Hall.

Dyfyniad Arddull Chicago

Cossman, E. Joseph. How I Made 1,000,000 in Mail Orders. New Jersey: Prentice Hall, 1963.

Dyfyniad MLA

Cossman, E. Joseph. How I Made 1,000,000 in Mail Orders. Prentice Hall, 1963.

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