Dyfyniad APA

(1999). National integrated research, development and extension agenda for vegetables, 1999-2004. s.n.

Dyfyniad Arddull Chicago

National Integrated Research, Development and Extension Agenda for Vegetables, 1999-2004. [S.l: s.n, 1999.

Dyfyniad MLA

National Integrated Research, Development and Extension Agenda for Vegetables, 1999-2004. s.n, 1999.

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