Gaya APA
SOULE, George. (1952).
Introduction To Economic Science .
United State:
A Mentor Bok.
Gaya Chicago
SOULE, George.
Introduction To Economic Science.
United State:
A Mentor Bok,
1952.
Teks.
Gaya MLA
SOULE, George.
Introduction To Economic Science.
United State:
A Mentor Bok,
1952.
Teks.
Gaya Turabian
SOULE, George.
Introduction To Economic Science.
United State:
A Mentor Bok,
1952.
Teks.