Παραπομπή APA

Pettersen, S. (1990). Shipping strategies and bulk shipping in the 1990s: Proceedings from the International Shipping Seminar Bergan 6-8 August 1989. Bergen: Institute for Shipping Research.

Παραπομπή Chicago Style

Pettersen, Strandenes. Shipping Strategies and Bulk Shipping in the 1990s: Proceedings From the International Shipping Seminar Bergan 6-8 August 1989. Bergen: Institute for Shipping Research, 1990.

Παραπομπή MLA

Pettersen, Strandenes. Shipping Strategies and Bulk Shipping in the 1990s: Proceedings From the International Shipping Seminar Bergan 6-8 August 1989. Bergen: Institute for Shipping Research, 1990.

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