APA Style
Yorkey, Richard C.. (s.a.).
Study skills for students of English as a second language .
New York:
McGraw-Hill Book Company.
Chicago Style
Yorkey, Richard C..
Study skills for students of English as a second language.
New York:
McGraw-Hill Book Company,
s.a..
Text.
MLA Style
Yorkey, Richard C..
Study skills for students of English as a second language.
New York:
McGraw-Hill Book Company,
s.a..
Text.
Turabian Style
Yorkey, Richard C..
Study skills for students of English as a second language.
New York:
McGraw-Hill Book Company,
s.a..
Print.