APA (7e ed.) Bronvermelding

Quebral, F. C. (1988). What one should know about plant diseases. College of Agriculture, University of the Philippines at Los Banos.

Chicago (17e ed.) Bronvermelding

Quebral, Florendo C. What One Should Know About Plant Diseases. College, Laguna: College of Agriculture, University of the Philippines at Los Banos, 1988.

MLA (9e ed.) Bronvermelding

Quebral, Florendo C. What One Should Know About Plant Diseases. College of Agriculture, University of the Philippines at Los Banos, 1988.