Gaya APA
Sheeler, Willard D. (1978).
welcome to english 1 : buku penuntun .
Jakarta:
English Language Service.
Gaya Chicago
Sheeler, Willard D.
welcome to english 1 : buku penuntun.
Jakarta:
English Language Service,
1978.
Text.
Gaya MLA
Sheeler, Willard D.
welcome to english 1 : buku penuntun.
Jakarta:
English Language Service,
1978.
Text.
Gaya Turabian
Sheeler, Willard D.
welcome to english 1 : buku penuntun.
Jakarta:
English Language Service,
1978.
Print.