Maghirang, R. G., & Miranda, M. B. (2000). Okra production guide. Agriculture.
Cita Chicago (17th ed.)Maghirang, Rodel G., i Marisa B. Miranda. "Okra Production Guide." Agriculture 2000.
Cita MLA (9th ed.)Maghirang, Rodel G., i Marisa B. Miranda. "Okra Production Guide." Agriculture, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.