Gaya APA
Wals, Vivian Charles. (1970).
Introduction to contemporary microeconomics (text).
New York:
McGraw Hill Book Company.
Gaya Chicago
Wals, Vivian Charles.
Introduction to contemporary microeconomics.
text
New York:
McGraw Hill Book Company,
1970.
.
Gaya MLA
Wals, Vivian Charles.
Introduction to contemporary microeconomics.
text
New York:
McGraw Hill Book Company,
1970.
.
Gaya Turabian
Wals, Vivian Charles.
Introduction to contemporary microeconomics.
text
New York:
McGraw Hill Book Company,
1970.
.