Gaya APA
WALSTAD, William B.. (2002).
STUDY GUIDE TO ACCOMPANY ECONOMICS FIFTEENTH EDITION ( 15 ) (5).
NEW YORK:
McGRAW HILL.
Gaya Chicago
WALSTAD, William B..
STUDY GUIDE TO ACCOMPANY ECONOMICS FIFTEENTH EDITION ( 15 ).
5
NEW YORK:
McGRAW HILL,
2002.
Text.
Gaya MLA
WALSTAD, William B..
STUDY GUIDE TO ACCOMPANY ECONOMICS FIFTEENTH EDITION ( 15 ).
5
NEW YORK:
McGRAW HILL,
2002.
Text.
Gaya Turabian
WALSTAD, William B..
STUDY GUIDE TO ACCOMPANY ECONOMICS FIFTEENTH EDITION ( 15 ).
5
NEW YORK:
McGRAW HILL,
2002.
Print.