APA (7e ed.) Bronvermelding

Casis, C. I. (1967). An appraisal of the Philippines flue-cured tobacco industry- from 1960 to 1966. Philippine Virginia Tobacco Administration Agency.

Chicago (17e ed.) Bronvermelding

Casis, Crescente I. An Appraisal of the Philippines Flue-cured Tobacco Industry- from 1960 to 1966. [Quezon City: Philippine Virginia Tobacco Administration Agency, 1967.

MLA (9e ed.) Bronvermelding

Casis, Crescente I. An Appraisal of the Philippines Flue-cured Tobacco Industry- from 1960 to 1966. Philippine Virginia Tobacco Administration Agency, 1967.