Dyfyniad APA

Brownless, C., Hurd, S., & Randall, K. (1985). BASIC economics. Butterworths.

Dyfyniad Arddull Chicago

Brownless, C., Stephen Hurd, and K. Randall. BASIC Economics. London ; Boston: Butterworths, 1985.

Dyfyniad MLA

Brownless, C., et al. BASIC Economics. Butterworths, 1985.

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