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