Gaya APA
Humphries, John. (1999).
How to manage a sales team .
Hong kong:
Grolier International Inc,.
Gaya Chicago
Humphries, John.
How to manage a sales team.
Hong kong:
Grolier International Inc,,
1999.
Text.
Gaya MLA
Humphries, John.
How to manage a sales team.
Hong kong:
Grolier International Inc,,
1999.
Text.
Gaya Turabian
Humphries, John.
How to manage a sales team.
Hong kong:
Grolier International Inc,,
1999.
Print.