Fontelar, P. E., Tayamen, M. M., & Hipolito, S. M. (1984). Extension v. 1. Bureau of Fisheries and Aquatic Resources.
Cita Chicago (17th ed.)Fontelar, Pilar E., Melchor M. Tayamen, i Samuel M. Hipolito. Extension V. 1. Nueva Ecija: Bureau of Fisheries and Aquatic Resources, 1984.
Cita MLA (9th ed.)Fontelar, Pilar E., et al. Extension V. 1. Bureau of Fisheries and Aquatic Resources, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.