Dyfyniad APA

Whitby, N. (2006). Business benchmark: Pre-intermediate to intermediate, student's book (1a. ed.). Cambridge University.

Dyfyniad Arddull Chicago

Whitby, Norman. Business Benchmark: Pre-intermediate to Intermediate, Student's Book. 1a. ed. Cambridge: Cambridge University, 2006.

Dyfyniad MLA

Whitby, Norman. Business Benchmark: Pre-intermediate to Intermediate, Student's Book. 1a. ed. Cambridge University, 2006.

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