Lua APA (7ú heag.)

Yeung, R. Personality: How to Unleash Your Hidden Strengths (1.). Pearson Education UK.

Lua i Stíl Chicago (17ú heag.)

Yeung, Rob. Personality: How to Unleash Your Hidden Strengths. 1. Pearson Education UK.

Lua MLA (8ú heag.)

Yeung, Rob. Personality: How to Unleash Your Hidden Strengths. 1. Pearson Education UK.

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