Lua APA (7ú heag.)

CLARKE-EPSTEIN CHRIS. (2007). 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. PRENTICE HALL OF INDIA.

Lua i Stíl Chicago (17ú heag.)

CLARKE-EPSTEIN CHRIS. 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. NEW DELHI: PRENTICE HALL OF INDIA, 2007.

Lua MLA (9ú heag.)

CLARKE-EPSTEIN CHRIS. 78 IMPORTANT QUESTIONS EVERY LEADER SHOULD ASK AND ANSWER. PRENTICE HALL OF INDIA, 2007.

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