Gaya APA
Lipsey, Richard G.. (1972).
An introduction to positive economics .
London:
Windenfeld and Nicolson.
Gaya Chicago
Lipsey, Richard G..
An introduction to positive economics.
London:
Windenfeld and Nicolson,
1972.
Text.
Gaya MLA
Lipsey, Richard G..
An introduction to positive economics.
London:
Windenfeld and Nicolson,
1972.
Text.
Gaya Turabian
Lipsey, Richard G..
An introduction to positive economics.
London:
Windenfeld and Nicolson,
1972.
Print.