Παραπομπή APA

Nielsen, B., & Olsen, J. (1989). Storage of gases in rock caverns: Proceeding of the International Conference of Gases in Rock Caverns, Trondheim, 26-28 June 1989. Rotterdam: A. A. Balkema.

Παραπομπή Chicago Style

Nielsen, Bjorn, and Jorn Olsen. Storage of Gases in Rock Caverns: Proceeding of the International Conference of Gases in Rock Caverns, Trondheim, 26-28 June 1989. Rotterdam: A. A. Balkema, 1989.

Παραπομπή MLA

Nielsen, Bjorn, and Jorn Olsen. Storage of Gases in Rock Caverns: Proceeding of the International Conference of Gases in Rock Caverns, Trondheim, 26-28 June 1989. Rotterdam: A. A. Balkema, 1989.

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