Gaya APA

Samuelson, P, A., Nordhaus, W, D. (1992). Economics : Paul A.Samuelson/ William D.Nordhaus (Ed.14). United States of Amerika: McGraw-Hill Book.Company.

Gaya MLA

Samuelson, Paul, A.., Nordhaus, William, D. "Economics : Paul A.Samuelson/ William D.Nordhaus". Ed.14 United States of Amerika: McGraw-Hill Book.Company, 1992. Buku.