Dyfyniad APA

Rand McNally and Company. (1983). Rand McNally ... commercial atlas & marketing guide. Chicago: Rand McNally.

Dyfyniad Arddull Chicago

Rand McNally and Company. Rand McNally ... Commercial Atlas & Marketing Guide. Chicago: Rand McNally, 1983.

Dyfyniad MLA

Rand McNally and Company. Rand McNally ... Commercial Atlas & Marketing Guide. Chicago: Rand McNally, 1983.

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