Gaya APA
Greenall, Simon. (1991).
Reading : Student's Book .
Cambridge University press:
kanisius.
Gaya Chicago
Greenall, Simon.
Reading : Student's Book.
Cambridge University press:
kanisius,
1991.
Text.
Gaya MLA
Greenall, Simon.
Reading : Student's Book.
Cambridge University press:
kanisius,
1991.
Text.
Gaya Turabian
Greenall, Simon.
Reading : Student's Book.
Cambridge University press:
kanisius,
1991.
Print.