APA Style
Harris, Michael. (2008).
Challenges Students Book 4 (3).
Inggris:
Longman.
Chicago Style
Harris, Michael.
Challenges Students Book 4.
3
Inggris:
Longman,
2008.
Printed Book.
MLA Style
Harris, Michael.
Challenges Students Book 4.
3
Inggris:
Longman,
2008.
Printed Book.
Turabian Style
Harris, Michael.
Challenges Students Book 4.
3
Inggris:
Longman,
2008.
Printed Book.