Gaya APA
Kapp, K. William, Kapp, Lore L. (1954).
A graphic approach to economics : selected principles and problem .
New York:
Holt.
Gaya Chicago
Kapp, K. William, Kapp, Lore L.
A graphic approach to economics : selected principles and problem.
New York:
Holt,
1954.
Text.
Gaya MLA
Kapp, K. William, Kapp, Lore L.
A graphic approach to economics : selected principles and problem.
New York:
Holt,
1954.
Text.
Gaya Turabian
Kapp, K. William, Kapp, Lore L.
A graphic approach to economics : selected principles and problem.
New York:
Holt,
1954.
Print.