Gaya APA

Costinett, Sandra, Byrd, Donald R. H.. (1994). Spectrum 5, a communicative course in English . White Plaints, NY.: Prentice-Hall.

Gaya Chicago

Costinett, Sandra, Byrd, Donald R. H.. Spectrum 5, a communicative course in English. White Plaints, NY.: Prentice-Hall, 1994. Text.

Gaya MLA

Costinett, Sandra, Byrd, Donald R. H.. Spectrum 5, a communicative course in English. White Plaints, NY.: Prentice-Hall, 1994. Text.

Gaya Turabian

Costinett, Sandra, Byrd, Donald R. H.. Spectrum 5, a communicative course in English. White Plaints, NY.: Prentice-Hall, 1994. Print.