Gaya APA
Byrd, Donald R.H, Warshawsky, Diane. (1993).
Spectrum 1: A Communicative Course in English .
New Jersey:
Prentice Hall Regents.
Gaya Chicago
Byrd, Donald R.H, Warshawsky, Diane.
Spectrum 1: A Communicative Course in English.
New Jersey:
Prentice Hall Regents,
1993.
.
Gaya MLA
Byrd, Donald R.H, Warshawsky, Diane.
Spectrum 1: A Communicative Course in English.
New Jersey:
Prentice Hall Regents,
1993.
.
Gaya Turabian
Byrd, Donald R.H, Warshawsky, Diane.
Spectrum 1: A Communicative Course in English.
New Jersey:
Prentice Hall Regents,
1993.
.