एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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