Letavec, C. J., Rollins, S. C., & Altwies, D. (2008). Program management professional (PgMP): A certification study guide with best practices for maximizing business results. J. Ross Pub..
Citace podle Chicago (17th ed.)Letavec, Craig J., Steven C. Rollins, a Diane Altwies. Program Management Professional (PgMP): A Certification Study Guide with Best Practices for Maximizing Business Results. Ft. Lauderdale, Fla.: J. Ross Pub., 2008.
Citace podle MLA (9th ed.)Letavec, Craig J., et al. Program Management Professional (PgMP): A Certification Study Guide with Best Practices for Maximizing Business Results. J. Ross Pub., 2008.
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