Dyfyniad APA

Freund, J. E., & Williams, F. J. (1982). Elementary business statistics: The modern approach (4th ed.). Prentice-Hall International.

Dyfyniad Arddull Chicago

Freund, John E., and Frank Jefferson Williams. Elementary Business Statistics: The Modern Approach. 4th ed. London: Prentice-Hall International, 1982.

Dyfyniad MLA

Freund, John E., and Frank Jefferson Williams. Elementary Business Statistics: The Modern Approach. 4th ed. Prentice-Hall International, 1982.

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