Dyfyniad APA

Lanan, J. (1985). College writing skills with readings. McGraw Hill.

Dyfyniad Arddull Chicago

Lanan, John. College Writing Skills with Readings. NewYork: McGraw Hill, 1985.

Dyfyniad MLA

Lanan, John. College Writing Skills with Readings. McGraw Hill, 1985.

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