Gaya APA
Pigou, A.C.. (1949).
Income : an introduction to economics .
London:
Macmillan.
Gaya Chicago
Pigou, A.C..
Income : an introduction to economics.
London:
Macmillan,
1949.
Text.
Gaya MLA
Pigou, A.C..
Income : an introduction to economics.
London:
Macmillan,
1949.
Text.
Gaya Turabian
Pigou, A.C..
Income : an introduction to economics.
London:
Macmillan,
1949.
Print.