Oren, S. S., & Smith, S. A. (1993). Service opportunities for electric utilities: Creating differentiated products. Kluwer Academic Publishers.
Citace podle Chicago (17th ed.)Oren, Shmuel S., a Stephen A. Smith. Service Opportunities for Electric Utilities: Creating Differentiated Products. Boston: Kluwer Academic Publishers, 1993.
Citace podle MLA (9th ed.)Oren, Shmuel S., a Stephen A. Smith. Service Opportunities for Electric Utilities: Creating Differentiated Products. Kluwer Academic Publishers, 1993.
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