Gaya APA

Eckersley, C. (1976). Essential English For Foreign Student Book 1 (edisi 3). london: Longmans & Great Britian by Robert Maclehose AND co.LTD.

Gaya MLA

Eckersley, C.E. "Essential English For Foreign Student Book 1". edisi 3 london: Longmans & Great Britian by Robert Maclehose AND co.LTD, 1976. Text.