Gaya APA
KNIGHT, H.Frank. (1921).
Risk,uncertaninty and profit .
New York:
Harper Torchbooks.
Gaya Chicago
KNIGHT, H.Frank.
Risk,uncertaninty and profit.
New York:
Harper Torchbooks,
1921.
Monograf.
Gaya MLA
KNIGHT, H.Frank.
Risk,uncertaninty and profit.
New York:
Harper Torchbooks,
1921.
Monograf.
Gaya Turabian
KNIGHT, H.Frank.
Risk,uncertaninty and profit.
New York:
Harper Torchbooks,
1921.
Monograf.