APA Style

Spectrum work book 1 : A Communicative course in english / Sharon Abrams, David P. Rein, Donald R. H. Byrd. (1993). Bairut: .

MLA Style

Spectrum work book 1 : A Communicative course in english / Sharon Abrams, David P. Rein, Donald R. H. Byrd. . Bairut: , 1993. Text.