Gaya APA
Guenther, Louis. (1922).
Business administration - investment and speculation .
Chicago:
LaSalle Extention University.
Gaya Chicago
Guenther, Louis.
Business administration - investment and speculation.
Chicago:
LaSalle Extention University,
1922.
Buku.
Gaya MLA
Guenther, Louis.
Business administration - investment and speculation.
Chicago:
LaSalle Extention University,
1922.
Buku.
Gaya Turabian
Guenther, Louis.
Business administration - investment and speculation.
Chicago:
LaSalle Extention University,
1922.
Buku.