APA Style
Longman, Pearson. (2013).
Keystone .
USA:
Kirchoff.
Chicago Style
Longman, Pearson.
Keystone.
USA:
Kirchoff,
2013.
Buku Teks.
MLA Style
Longman, Pearson.
Keystone.
USA:
Kirchoff,
2013.
Buku Teks.
Turabian Style
Longman, Pearson.
Keystone.
USA:
Kirchoff,
2013.
Buku Teks.