Drilon, J. D., Jr. (1968). Some aspects of Philippine agricultural development: An exploratory view. Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics).
Chicago-viite (17. p.)Drilon, J. D., Jr. "Some Aspects of Philippine Agricultural Development: An Exploratory View." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) 1968.
MLA-viite (9. p.)Drilon, J. D., Jr. "Some Aspects of Philippine Agricultural Development: An Exploratory View." Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics), 1968.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.