APA-referens (7:e uppl.)
Burnham, P. C. (1980). Opportunity and constraint in a savanna society: The Gbaya of Meiganga, Cameroon. Academic Press.
Chicago-referens (17:e uppl.)
Burnham, P. C. Opportunity and Constraint in a Savanna Society: The Gbaya of Meiganga, Cameroon. New York: Academic Press, 1980.
MLA-referens (9:e uppl.)
Burnham, P. C. Opportunity and Constraint in a Savanna Society: The Gbaya of Meiganga, Cameroon. Academic Press, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.