Dyfyniad APA

Zeylstra,Willem Gustaaf. (1977). Aid or development: Relevence of development ...... countries. A W Sijthoff.

Dyfyniad Arddull Chicago

Zeylstra,Willem Gustaaf. Aid or Development: Relevence of Development ...... Countries. Leyden: A W Sijthoff, 1977.

Dyfyniad MLA

Zeylstra,Willem Gustaaf. Aid or Development: Relevence of Development ...... Countries. A W Sijthoff, 1977.

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