(1985). Modelling the impact of small farm mechanization. Philippine Institute for Development Studies.
Chicago-viite (17. p.)Modelling the Impact of Small Farm Mechanization. [Makat, Metro Manila]: Philippine Institute for Development Studies, 1985.
MLA-viite (9. p.)Modelling the Impact of Small Farm Mechanization. Philippine Institute for Development Studies, 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.