Gaya APA

rein, D, P. (1985). Grolier Advanced English 8 . the United States of America: [s.l].Grolier International. Inc.

Gaya MLA

rein, David, P.. "Grolier Advanced English 8". the United States of America: [s.l].Grolier International. Inc, 1985. Koleksi Elektronik.