Gaya APA
Alexander, L.G. (2006).
First Thing First: student's book .
Yogyakarta:
Kanisius.
Gaya Chicago
Alexander, L.G.
First Thing First: student's book.
Yogyakarta:
Kanisius,
2006.
Text.
Gaya MLA
Alexander, L.G.
First Thing First: student's book.
Yogyakarta:
Kanisius,
2006.
Text.
Gaya Turabian
Alexander, L.G.
First Thing First: student's book.
Yogyakarta:
Kanisius,
2006.
Print.