APA
Allison G. T., . (1971). Essence of decision. Boston: Bown and Company Little.
Chicago
Allison Graham T, . 1971. Essence of decision. Boston: Bown and Company Little.
Harvard
Allison G. T., . (1971). Essence of decision. Boston: Bown and Company Little.
MLA
Allison Graham T, . Essence of decision. Boston: Bown and Company Little. 1971.