Gaya APA
Langan, John. (2002).
Reading and study skills (7th ed.).
:
McGraw-Hill.
Gaya Chicago
Langan, John.
Reading and study skills.
7th ed.
:
McGraw-Hill,
2002.
Text.
Gaya MLA
Langan, John.
Reading and study skills.
7th ed.
:
McGraw-Hill,
2002.
Text.
Gaya Turabian
Langan, John.
Reading and study skills.
7th ed.
:
McGraw-Hill,
2002.
Print.