Bearden, James H.
The environment of business : perspectives and viewpoints
Holt, Rinehart and Winston , 1969
 Buku Teks
Din, Rasshied
New retail
Conran Octopus, 2000
 Buku Teks
Din, Rasshied
New Retail
Conran Octopus, 2000
 Buku Referensi
Nau, Henry R., 1941-
Perspectives on international relations: power, institutions, and ideas
SAGE Publications, 2019
 Buku Teks
Kelley, Eugene J.
Managerial marketing : perspectives and viewpoints a source book / by Eugene J. Kelley and William Lazer
Irwin , 1967
 Buku Teks