Citazione Stile APA (7a Edizione)

Philippines. Bureau of Agricultural Statistics. (1988). Fertilizer utilization in rice and corn farms, Philippines 1988. [s.n.].

Citazione stile Chigago Style (17a edizione)

Philippines. Bureau of Agricultural Statistics. Fertilizer Utilization in Rice and Corn Farms, Philippines 1988. [s.l.]: [s.n.], 1988.

Citatione MLA (9a ed.)

Philippines. Bureau of Agricultural Statistics. Fertilizer Utilization in Rice and Corn Farms, Philippines 1988. [s.n.], 1988.