Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), Ilao, S. S. L., & Argana, R. R. (2002). R & D status and directions (2000 and beyond): Ornamental horticulture. PCARRD-DOST.
Cita Chicago (17th ed.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), Susan Sandra L. Ilao, i Ricardo R. Argana. R & D Status and Directions (2000 and Beyond): Ornamental Horticulture. Los Banos, Laguna: PCARRD-DOST, 2002.
Cita MLA (9th ed.)Philippine Council for Agriculture, Forestry and Natural Resources Research and Development (PCARRD), et al. R & D Status and Directions (2000 and Beyond): Ornamental Horticulture. PCARRD-DOST, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.