Gaya APA
Abbs, Brian, Freebairn. (1993).
Blueprint Upper Intermediate: Students'Book (Cet.1).
Essex:
Longman.
Gaya Chicago
Abbs, Brian, Freebairn.
Blueprint Upper Intermediate: Students'Book.
Cet.1
Essex:
Longman,
1993.
Text.
Gaya MLA
Abbs, Brian, Freebairn.
Blueprint Upper Intermediate: Students'Book.
Cet.1
Essex:
Longman,
1993.
Text.
Gaya Turabian
Abbs, Brian, Freebairn.
Blueprint Upper Intermediate: Students'Book.
Cet.1
Essex:
Longman,
1993.
Print.