APA (7th ed.) Zitazioa
Twomey, D. P. (1989). Labor & employment law, text & cases (8th ed.). South-Western Pub. Co..
Chicago Style (17th ed.) Zitazioa
Twomey, David P. Labor & Employment Law, Text & Cases. 8th ed. Cincinnati: South-Western Pub. Co., 1989.
MLA (9th ed.) Zitazioa
Twomey, David P. Labor & Employment Law, Text & Cases. 8th ed. South-Western Pub. Co., 1989.
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