Gaya APA
William, A., Kornblau, C. (1968).
Guide to store locatron research with emphasis on super markets .
Kanada:
GunungAgung.
Gaya MLA
William, Applebawm., Kornblau, Curt.
"Guide to store locatron research with emphasis on super markets".
Kanada:
GunungAgung,
1968.
Text.