Dyfyniad APA

(1973). Development in the '70's: 5th annual seminar for student leaders. s.n.

Dyfyniad Arddull Chicago

Development in the '70's: 5th Annual Seminar for Student Leaders. Tagaytay City: s.n, 1973.

Dyfyniad MLA

Development in the '70's: 5th Annual Seminar for Student Leaders. s.n, 1973.

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