Gaya APA
Study Dictionary of American English. (2006).
England:
Pearson Education Limited.
Gaya Chicago
Study Dictionary of American English.
.
England:
Pearson Education Limited,
2006.
Text.
Gaya MLA
Study Dictionary of American English.
.
England:
Pearson Education Limited,
2006.
Text.
Gaya Turabian
Study Dictionary of American English.
England:
Pearson Education Limited,
2006.
Print.