Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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