Dyfyniad APA

(1990). 21st annual report 1989-90. Punjabrao krishi vidyapeeth.

Dyfyniad Arddull Chicago

21st Annual Report 1989-90. Akola: Punjabrao krishi vidyapeeth, 1990.

Dyfyniad MLA

21st Annual Report 1989-90. Punjabrao krishi vidyapeeth, 1990.

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