Gaya APA
Christopher Bury, Mike Potter & Michael Winter. (1985).
Student practice book 4 (1).
London:
Macmillan.
Gaya Chicago
Christopher Bury, Mike Potter & Michael Winter.
Student practice book 4.
1
London:
Macmillan,
1985.
Buku Analog.
Gaya MLA
Christopher Bury, Mike Potter & Michael Winter.
Student practice book 4.
1
London:
Macmillan,
1985.
Buku Analog.
Gaya Turabian
Christopher Bury, Mike Potter & Michael Winter.
Student practice book 4.
1
London:
Macmillan,
1985.
Buku Analog.