Lua APA (7ú heag.)

DAVIDSON, B. (1962). President Kennedy selects six brave presidents. Harper and Row.

Lua i Stíl Chicago (17ú heag.)

DAVIDSON, Bill. President Kennedy Selects Six Brave Presidents. New York: Harper and Row, 1962.

Lua MLA (9ú heag.)

DAVIDSON, Bill. President Kennedy Selects Six Brave Presidents. Harper and Row, 1962.

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