Gaya APA
Abbs, B., Freebairn, I.
(1995).
Blueprint: students' Book [1]
(
Cet. 15.--)
.
Inggris:
Longmans.
Gaya MLA
Abbs, Brian., Freebairn, Ingrid.
"Blueprint: students' Book [1]".
Cet. 15.--
Inggris:
Longmans,
1995.
Text.