APA
Mankiw G. N., . (1998). Principles of macroeconomics. [Place of publication not identified]: Dryden Press.
Chicago
Mankiw Gregory N, . 1998. Principles of macroeconomics. [Place of publication not identified]: Dryden Press.
Harvard
Mankiw G. N., . (1998). Principles of macroeconomics. [Place of publication not identified]: Dryden Press.
MLA
Mankiw Gregory N, . Principles of macroeconomics. [Place of publication not identified]: Dryden Press. 1998.