APA Style
Spectrum student book 2 : A Communicative course in english / Sandra Costinett, Donald R. H. Byrd. (1994).
Bairut:
.
MLA Style
Spectrum student book 2 : A Communicative course in english / Sandra Costinett, Donald R. H. Byrd.
.
Bairut:
,
1994.
Text.