Gaya APA
Welcome To English Guidebook 2. (1987).
New York:
English Language Service.
Gaya Chicago
Welcome To English Guidebook 2.
.
New York:
English Language Service,
1987.
Text.
Gaya MLA
Welcome To English Guidebook 2.
.
New York:
English Language Service,
1987.
Text.
Gaya Turabian
Welcome To English Guidebook 2.
New York:
English Language Service,
1987.
Print.