एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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