Lua APA (7ú heag.)

HARVARD BUSINESS SCHOOL. (2003). HBR ON MOTIVATING PEOPLE. H B S.

Lua i Stíl Chicago (17ú heag.)

HARVARD BUSINESS SCHOOL. HBR ON MOTIVATING PEOPLE. BOSTON: H B S, 2003.

Lua MLA (9ú heag.)

HARVARD BUSINESS SCHOOL. HBR ON MOTIVATING PEOPLE. H B S, 2003.

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