APA

Ray D. E., Sharpe C. W. & Strassfeld R. N. (1999). Understanding labor law. New York: M. Bender.

Chicago

Ray Douglas E, Sharpe Calvin William and Strassfeld Robert N. 1999. Understanding labor law. New York: M. Bender.

Harvard

Ray D. E., Sharpe C. W. and Strassfeld R. N. (1999). Understanding labor law. New York: M. Bender.

MLA

Ray Douglas E, Sharpe Calvin William and Strassfeld Robert N. Understanding labor law. New York: M. Bender. 1999.