APA (7e ed.) Bronvermelding

Barker, R., & Dozina, G. (1970). Some generation problems in the rice industry in the Philippines. s.n.].

Chicago (17e ed.) Bronvermelding

Barker, Randolf, en Geronimo Dozina. Some Generation Problems in the Rice Industry in the Philippines. [Los Baños, Laguna: s.n.], 1970.

MLA (9e ed.) Bronvermelding

Barker, Randolf, en Geronimo Dozina. Some Generation Problems in the Rice Industry in the Philippines. s.n.], 1970.