Gaya APA
LANGAN, John. (2002).
READING AND STUDY SKILLS SEVENTH EDITION (7).
NEY YORK:
McGRAW HILL.
Gaya Chicago
LANGAN, John.
READING AND STUDY SKILLS SEVENTH EDITION.
7
NEY YORK:
McGRAW HILL,
2002.
Text.
Gaya MLA
LANGAN, John.
READING AND STUDY SKILLS SEVENTH EDITION.
7
NEY YORK:
McGRAW HILL,
2002.
Text.
Gaya Turabian
LANGAN, John.
READING AND STUDY SKILLS SEVENTH EDITION.
7
NEY YORK:
McGRAW HILL,
2002.
Print.