APA Style
Leterman, Elmer G.. (1970).
Modern business: a series of texts prepared as part of the modern business program sales and sales management .
New York:
alexander hamilon intitute.
Chicago Style
Leterman, Elmer G..
Modern business: a series of texts prepared as part of the modern business program sales and sales management.
New York:
alexander hamilon intitute,
1970.
Referensi.
MLA Style
Leterman, Elmer G..
Modern business: a series of texts prepared as part of the modern business program sales and sales management.
New York:
alexander hamilon intitute,
1970.
Referensi.
Turabian Style
Leterman, Elmer G..
Modern business: a series of texts prepared as part of the modern business program sales and sales management.
New York:
alexander hamilon intitute,
1970.
Referensi.