Gaya APA

al., E, K, E. (2007). INTERACTIONS 1 (READING) TEACHER'S EDITION WITH TEST (wit 3 CD) . Semarang: Djambatan.

Gaya MLA

al., ELAINE, KIRN, Et.. "INTERACTIONS 1 (READING) TEACHER'S EDITION WITH TEST (wit 3 CD)". Semarang: Djambatan, 2007. Text.