Dyfyniad APA

Jathar, G., & Beri, S. (1967). Elementary economics/8e (8th ed.). Oxford University.

Dyfyniad Arddull Chicago

Jathar, G.B, and S.G Beri. Elementary Economics/8e. 8th ed. London: Oxford University, 1967.

Dyfyniad MLA

Jathar, G.B, and S.G Beri. Elementary Economics/8e. 8th ed. Oxford University, 1967.

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