Gaya APA

Abbs, B., Freebairn, I. (1993). Blueprint 2: Students' Book (Cet. 1.--). England: Longmans.

Gaya MLA

Abbs, Brian., Freebairn, Ingrid. "Blueprint 2: Students' Book". Cet. 1.-- England: Longmans, 1993. Text.