Dyfyniad APA

Mettrick, H. (1993). Development oriented research in agriculture: An ICRA textbook. Wageningen, Netherlands: International Centre for Development Oriented Research in Agriculture.

Dyfyniad Arddull Chicago

Mettrick, Hal. Development Oriented Research in Agriculture: An ICRA Textbook. Wageningen, Netherlands: International Centre for Development Oriented Research in Agriculture, 1993.

Dyfyniad MLA

Mettrick, Hal. Development Oriented Research in Agriculture: An ICRA Textbook. Wageningen, Netherlands: International Centre for Development Oriented Research in Agriculture, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.