Gaya APA
Test Yourself. (2004).
Unites States:
ARCAN,1991.
Gaya Chicago
Test Yourself.
Cet. 1.
Unites States:
ARCAN,1991,
2004.
Non Fiksi.
Gaya MLA
Test Yourself.
Cet. 1.
Unites States:
ARCAN,1991,
2004.
Non Fiksi.
Gaya Turabian
Test Yourself.
Unites States:
ARCAN,1991,
2004.
Non Fiksi.