Dyfyniad APA

Lippitt, V. G. (1975). The National Economic Environment. McGraw-Hill.

Dyfyniad Arddull Chicago

Lippitt, Vernon G. The National Economic Environment. New York: McGraw-Hill, 1975.

Dyfyniad MLA

Lippitt, Vernon G. The National Economic Environment. McGraw-Hill, 1975.

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