Rodriguez, T. A. (2013). Increasing goat production is Bulacan agri-school's goal. Agriculture.
Chicago-viite (17. p.)Rodriguez, Tony A. "Increasing Goat Production Is Bulacan Agri-school's Goal." Agriculture 2013.
MLA-viite (9. p.)Rodriguez, Tony A. "Increasing Goat Production Is Bulacan Agri-school's Goal." Agriculture, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.