Gaya APA
Orr, Fred. (1992).
Study Skills For Successful Students (Cet. 1).
Australia:
Alle & Unwin.
Gaya Chicago
Orr, Fred.
Study Skills For Successful Students.
Cet. 1
Australia:
Alle & Unwin,
1992.
Text.
Gaya MLA
Orr, Fred.
Study Skills For Successful Students.
Cet. 1
Australia:
Alle & Unwin,
1992.
Text.
Gaya Turabian
Orr, Fred.
Study Skills For Successful Students.
Cet. 1
Australia:
Alle & Unwin,
1992.
Print.