Gaya APA
Costinett, Sandra, Byrd, Donald R. H.. (1993).
Spectrum 2, a communicative course in English .
White Plaints, NY.:
Prentice-Hall.
Gaya Chicago
Costinett, Sandra, Byrd, Donald R. H..
Spectrum 2, a communicative course in English.
White Plaints, NY.:
Prentice-Hall,
1993.
Text.
Gaya MLA
Costinett, Sandra, Byrd, Donald R. H..
Spectrum 2, a communicative course in English.
White Plaints, NY.:
Prentice-Hall,
1993.
Text.
Gaya Turabian
Costinett, Sandra, Byrd, Donald R. H..
Spectrum 2, a communicative course in English.
White Plaints, NY.:
Prentice-Hall,
1993.
Print.