APA (7e ed.) Bronvermelding

Castro, E. R. (1994). Centrality of culture, a factor in economic development. [s.n.].

Chicago (17e ed.) Bronvermelding

Castro, Eddee RH. Centrality of Culture, a Factor in Economic Development. Manila: [s.n.], 1994.

MLA (9e ed.) Bronvermelding

Castro, Eddee RH. Centrality of Culture, a Factor in Economic Development. [s.n.], 1994.