Παραπομπή APA

(1970). Union catalogue of scientific and technical periodicals in the libraries of Pakistan. Pakistan: Pakistan National Scientific and technical documentation centre Karachi Pakistan.

Παραπομπή Chicago Style

Union Catalogue of Scientific and Technical Periodicals in the Libraries of Pakistan. Pakistan: Pakistan National Scientific and technical documentation centre Karachi Pakistan, 1970.

Παραπομπή MLA

Union Catalogue of Scientific and Technical Periodicals in the Libraries of Pakistan. Pakistan: Pakistan National Scientific and technical documentation centre Karachi Pakistan, 1970.

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