Gaya APA
Spekman, Robert E. ().
A Strategic approach to business marketing .
Hoboken, NJ:
Wiley.
Gaya Chicago
Spekman, Robert E.
A Strategic approach to business marketing.
Hoboken, NJ:
Wiley,
.
Text.
Gaya MLA
Spekman, Robert E.
A Strategic approach to business marketing.
Hoboken, NJ:
Wiley,
.
Text.
Gaya Turabian
Spekman, Robert E.
A Strategic approach to business marketing.
Hoboken, NJ:
Wiley,
.
Print.