Gaya APA
Postill, S. et al
(1995).
English for Special Purposes: Travel by Air
(
Cet. 1.--)
.
Jakarta:
Kesaint Blanc.
Gaya MLA
Postill, Sara-Jane. et al.
"English for Special Purposes: Travel by Air".
Cet. 1.--
Jakarta:
Kesaint Blanc,
1995.
Text.