Lua APA (7ú heag.)

Sladen, E. (1965). Modern commerce; a course in commerce for advanced students (7th ed.). Pitman.

Lua i Stíl Chicago (17ú heag.)

Sladen, Edward. Modern Commerce; a Course in Commerce for Advanced Students. 7th ed. London: Pitman, 1965.

Lua MLA (9ú heag.)

Sladen, Edward. Modern Commerce; a Course in Commerce for Advanced Students. 7th ed. Pitman, 1965.

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