Gaya APA
Sheeler, Willard D.. (1989).
Welcome to English Guidebook 1 .
Jakarta:
Els.
Gaya Chicago
Sheeler, Willard D..
Welcome to English Guidebook 1.
Jakarta:
Els,
1989.
Buku Pelajaran.
Gaya MLA
Sheeler, Willard D..
Welcome to English Guidebook 1.
Jakarta:
Els,
1989.
Buku Pelajaran.
Gaya Turabian
Sheeler, Willard D..
Welcome to English Guidebook 1.
Jakarta:
Els,
1989.
Buku Pelajaran.