APA (7e ed.) Bronvermelding

Twomey, D. P. (1998). Labor and employment law, text and cases (10th ed.). West Educational Pub.

Chicago (17e ed.) Bronvermelding

Twomey, David P. Labor and Employment Law, Text and Cases. 10th ed. Cicinnanti, Ohio: West Educational Pub, 1998.

MLA (9e ed.) Bronvermelding

Twomey, David P. Labor and Employment Law, Text and Cases. 10th ed. West Educational Pub, 1998.