Παραπομπή APA

Burg, R. G., & Ost, B. W. (1992). Engineering properties of commercially available hight-strength concretes. Chicago, IL: Portland Cement Association.

Παραπομπή Chicago Style

Burg, R. G., and B. W. Ost. Engineering Properties of Commercially Available Hight-strength Concretes. Chicago, IL: Portland Cement Association, 1992.

Παραπομπή MLA

Burg, R. G., and B. W. Ost. Engineering Properties of Commercially Available Hight-strength Concretes. Chicago, IL: Portland Cement Association, 1992.

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