Cita APA (7th ed.)

Powell, C. L. Development of standards for grades of Philippine-grown fresh fruits and vegetables. s.n.

Cita Chicago (17th ed.)

Powell, Charles L. Development of Standards for Grades of Philippine-grown Fresh Fruits and Vegetables. [S.l: s.n.

Cita MLA (9th ed.)

Powell, Charles L. Development of Standards for Grades of Philippine-grown Fresh Fruits and Vegetables. s.n.

Atenció: Aquestes cites poden no estar 100% correctes.