Barker, R., Mangahas, M., & Meyers, W. H. (1972). The probable impact of the seed-fertilizer revolution on grain production and on farm labor requirements. Institute of Economic Development and Research, School of Economics, University of the Philippines.
Čikaški stil citiranja (17. izdanje)Barker, Randolph, Mahar Mangahas, i William H. Meyers. The Probable Impact of the Seed-fertilizer Revolution on Grain Production and on Farm Labor Requirements. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1972.
MLA način citiranja (9. izdanje)Barker, Randolph, et al. The Probable Impact of the Seed-fertilizer Revolution on Grain Production and on Farm Labor Requirements. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1972.