APA (7e ed.) Bronvermelding

(1977). Teacher education in agriculture in the Philippines (Preliminary ed. issued in 1975.). s.n.

Chicago (17e ed.) Bronvermelding

Teacher Education in Agriculture in the Philippines. Preliminary ed. issued in 1975. [s.l: s.n, 1977.

MLA (9e ed.) Bronvermelding

Teacher Education in Agriculture in the Philippines. Preliminary ed. issued in 1975. s.n, 1977.

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