Dyfyniad APA

Harold B. Allen. (1965). Teaching English as a second language. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Harold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.

Dyfyniad MLA

Harold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.

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