Gaya APA
      Budnick, F, S. (1988).
    Applied mathematics for business, economics, and the social sciences (4th ed.).
    New York:
  McGraw-Hill.
  
Gaya MLA
      Budnick, Frank, S.
    "Applied mathematics for business, economics, and the social sciences".
    4th ed.
    New York:
  McGraw-Hill,
  1988.
  Text.