Dyfyniad APA

Emmerson, P., & Paul Emmerson. (2002). Business Grammar Builder. Oxford: Macmillan.

Dyfyniad Arddull Chicago

Emmerson, Paul, và Paul Emmerson. Business Grammar Builder. Oxford: Macmillan, 2002.

Dyfyniad MLA

Emmerson, Paul, và Paul Emmerson. Business Grammar Builder. Oxford: Macmillan, 2002.

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