Keirsey, D., & Bates, M. (1984). Please understand me: Character & temperament types (Fifth edition.). Prometheus Nemesis Book Company.
Citace podle Chicago (17th ed.)Keirsey, David, a Marilyn65492 Bates. Please Understand Me: Character & Temperament Types. Fifth edition. CA: Prometheus Nemesis Book Company, 1984.
Citace podle MLA (9th ed.)Keirsey, David, a Marilyn65492 Bates. Please Understand Me: Character & Temperament Types. Fifth edition. Prometheus Nemesis Book Company, 1984.
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