Gaya APA

Diane, W. (1992). Spectrum : A communicative course is english 1 (1). Englewoord Cliffs: Regents /Prentis Hall.

Gaya MLA

Diane, W.. Spectrum : A communicative course is english 1. 1 Englewoord Cliffs: Regents /Prentis Hall, 1992. Text.