Gaya APA
Summers, Geroge W., Peters, William S., Armstrong, Charles P.. (1985).
Basic statistics in business and economics, 4th ed. (4th ed.).
California:
Wadsworth.
Gaya Chicago
Summers, Geroge W., Peters, William S., Armstrong, Charles P..
Basic statistics in business and economics, 4th ed..
4th ed.
California:
Wadsworth,
1985.
Text.
Gaya MLA
Summers, Geroge W., Peters, William S., Armstrong, Charles P..
Basic statistics in business and economics, 4th ed..
4th ed.
California:
Wadsworth,
1985.
Text.
Gaya Turabian
Summers, Geroge W., Peters, William S., Armstrong, Charles P..
Basic statistics in business and economics, 4th ed..
4th ed.
California:
Wadsworth,
1985.
Print.