Gaya APA
Bethke, William, Moody, Walter D.. (1915).
Business administration - personal efficiency and selling .
Chicago:
LaSalle Extention University.
Gaya Chicago
Bethke, William, Moody, Walter D..
Business administration - personal efficiency and selling.
Chicago:
LaSalle Extention University,
1915.
Buku.
Gaya MLA
Bethke, William, Moody, Walter D..
Business administration - personal efficiency and selling.
Chicago:
LaSalle Extention University,
1915.
Buku.
Gaya Turabian
Bethke, William, Moody, Walter D..
Business administration - personal efficiency and selling.
Chicago:
LaSalle Extention University,
1915.
Buku.