APA Citation

Diane Warshawsky, D. R. H. B. (1993). Spectrum 1: A Communicative Course in English (Student Book). Prentice Hall Regents.

Chicago Style Citation

Diane Warshawsky, Donald R. H. Byrd. Spectrum 1: A Communicative Course in English (Student Book). Prentice Hall Regents, 1993.

MLA Citation

Diane Warshawsky, Donald R. H. Byrd. Spectrum 1: A Communicative Course in English (Student Book). Prentice Hall Regents, 1993.

Warning: These citations may not always be 100% accurate.