APA
Urian M. A. C., . (2011). Effect of organic fertilizer on the vitamin C, sugar and organic acid contents of native tomato (Lycopersicumesculentum Miller) and plum tomato (Lycopersiconesculentum). Magalang, Pampanga: Pampanga Agricultural College.
Chicago
Urian Mary Ariane C, . 2011. Effect of organic fertilizer on the vitamin C, sugar and organic acid contents of native tomato (Lycopersicumesculentum Miller) and plum tomato (Lycopersiconesculentum). Magalang, Pampanga: Pampanga Agricultural College.
Harvard
Urian M. A. C., . (2011). Effect of organic fertilizer on the vitamin C, sugar and organic acid contents of native tomato (Lycopersicumesculentum Miller) and plum tomato (Lycopersiconesculentum). Magalang, Pampanga: Pampanga Agricultural College.
MLA
Urian Mary Ariane C, . Effect of organic fertilizer on the vitamin C, sugar and organic acid contents of native tomato (Lycopersicumesculentum Miller) and plum tomato (Lycopersiconesculentum). Magalang, Pampanga: Pampanga Agricultural College. 2011.