Dyfyniad APA

Whitehead, G. (1997). Book-keeping, made simple (5th edition.). Oxford: Butterworth-Heinemann.

Dyfyniad Arddull Chicago

Whitehead, Geoffrey. Book-keeping, Made Simple. 5th edition. Oxford: Butterworth-Heinemann, 1997.

Dyfyniad MLA

Whitehead, Geoffrey. Book-keeping, Made Simple. 5th edition. Oxford: Butterworth-Heinemann, 1997.

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