APA-viite (7. p.)

Groot, H. C. (1964). Agricultural journalism. Dept. of Agricultural Information and Communications, College of Agriculture, University of the Philippines.

Chicago-viite (17. p.)

Groot, Hans Cornelis. Agricultural Journalism. College, Laguna: Dept. of Agricultural Information and Communications, College of Agriculture, University of the Philippines, 1964.

MLA-viite (9. p.)

Groot, Hans Cornelis. Agricultural Journalism. Dept. of Agricultural Information and Communications, College of Agriculture, University of the Philippines, 1964.