APA

Samuelson P., . (1995). Macroeconomics. New York: [s.n.].

Chicago

Samuelson P.A, . 1995. Macroeconomics. New York: [s.n.].

Harvard

Samuelson P., . (1995). Macroeconomics. New York: [s.n.].

MLA

Samuelson P.A, . Macroeconomics. New York: [s.n.]. 1995.