APA (7e ed.) Bronvermelding

Ecuador, B. C. d. (1961). The economic regions of Ecuador , their integration and development.

Chicago (17e ed.) Bronvermelding

Ecuador, Banco Central del. The Economic Regions of Ecuador , Their Integration and Development. 1961.

MLA (9e ed.) Bronvermelding

Ecuador, Banco Central del. The Economic Regions of Ecuador , Their Integration and Development. 1961.

Let op: Deze citaties zijn niet altijd 100% accuraat.