Gaya APA
Longman Advanced American dictionary. (2003).
England:
Pearson,Longman.
Gaya Chicago
Longman Advanced American dictionary.
.
England:
Pearson,Longman,
2003.
Monograf.
Gaya MLA
Longman Advanced American dictionary.
.
England:
Pearson,Longman,
2003.
Monograf.
Gaya Turabian
Longman Advanced American dictionary.
England:
Pearson,Longman,
2003.
Monograf.