Gaya APA

MCCALLUM, G, P. (1983). IDIOM DRILLS FOR STUDENT OF ENGLISH AS A SECOND LANGUAGE (2). NEW YORK: HARPER COLLINS PUBLISHER.

Gaya MLA

MCCALLUM, GEOGRE, P. "IDIOM DRILLS FOR STUDENT OF ENGLISH AS A SECOND LANGUAGE". 2 NEW YORK: HARPER COLLINS PUBLISHER, 1983. Prodi S1 Sastra Inggris.