Lua APA (7ú heag.)

SLONIM, J. (1987). Building an open system. Van nostrand reinhold.

Lua i Stíl Chicago (17ú heag.)

SLONIM, Jacob. Building an Open System. New York: Van nostrand reinhold, 1987.

Lua MLA (9ú heag.)

SLONIM, Jacob. Building an Open System. Van nostrand reinhold, 1987.

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