एपीए उद्धरण

Beckerman, W. (1960). International comparisons of real incomes. United State: E.C.O.D.

शिकागो स्टाइल उद्धरण

Beckerman, Wilfred. International Comparisons of Real Incomes. United State: E.C.O.D, 1960.

एमएलए उद्धरण

Beckerman, Wilfred. International Comparisons of Real Incomes. United State: E.C.O.D, 1960.