Lua APA (7ú heag.)

Smedes, L. B. (1986). Choices: Making Right decisions in a complex (ed.). Harper & Row.

Lua i Stíl Chicago (17ú heag.)

Smedes, Lewis B. Choices: Making Right Decisions in a Complex. ed. San Francisco: Harper & Row, 1986.

Lua MLA (9ú heag.)

Smedes, Lewis B. Choices: Making Right Decisions in a Complex. ed. Harper & Row, 1986.

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