Gaya APA

Ehrenberg, R, G., S.Smith, R. (2009). Modern Labor Economics: Theory and Public Policy Tenth Edition (Kesepuluh). : Pearson Education.

Gaya MLA

Ehrenberg, Ronald, G.., S.Smith, Robert. "Modern Labor Economics: Theory and Public Policy Tenth Edition". Kesepuluh : Pearson Education, 2009. Text.