APA (7e ed.) Bronvermelding

Castillo, J. C. (1991). A Goal programming application. UP College of Engineering.

Chicago (17e ed.) Bronvermelding

Castillo, Joseph C. A Goal Programming Application. Quezon City: UP College of Engineering, 1991.

MLA (9e ed.) Bronvermelding

Castillo, Joseph C. A Goal Programming Application. UP College of Engineering, 1991.

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