Παραπομπή APA

Stein, D., MLollers, K., Bielecki, R., Mollers, K., & Bielecki, R. (1989). Microtunnelling: Installation and renewal of nonman-size supply and sewage lines by the trenchless construction method. Berlin: Ernst.

Παραπομπή Chicago Style

Stein, Dietrich, Klemens MLollers, Rolf Bielecki, Klemens Mollers, and Rolf Bielecki. Microtunnelling: Installation and Renewal of Nonman-size Supply and Sewage Lines By the Trenchless Construction Method. Berlin: Ernst, 1989.

Παραπομπή MLA

Stein, Dietrich, et al. Microtunnelling: Installation and Renewal of Nonman-size Supply and Sewage Lines By the Trenchless Construction Method. Berlin: Ernst, 1989.

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