Gaya APA
Sheeler, Willard, D. (1991).
Welcome to english textbook 2 .
America:
English Language Services.
Gaya Chicago
Sheeler, Willard, D.
Welcome to english textbook 2.
America:
English Language Services,
1991.
Media Cetak.
Gaya MLA
Sheeler, Willard, D.
Welcome to english textbook 2.
America:
English Language Services,
1991.
Media Cetak.
Gaya Turabian
Sheeler, Willard, D.
Welcome to english textbook 2.
America:
English Language Services,
1991.
Media Cetak.