APA استشهاد

Haslam, J. M. (1988). Writing engineering specifications. E & F N.

استشهاد بنمط شيكاغو

Haslam, Jeremy M. Writing Engineering Specifications. London: E & F N, 1988.

MLA استشهاد

Haslam, Jeremy M. Writing Engineering Specifications. E & F N, 1988.