APA
Bangs D. H., . (1992). The marketing planning guide. Galotia, New Delhi: .
Chicago
Bangs David H, . 1992. The marketing planning guide. Galotia, New Delhi: .
Harvard
Bangs D. H., . (1992). The marketing planning guide. Galotia, New Delhi: .
MLA
Bangs David H, . The marketing planning guide. Galotia, New Delhi: . 1992.