Gaya APA
      P.E., L, R, H., Morrow, L. (1977).
    Maintenance Engineering Handbook (3).
    New York:
  McGraw - Hill Book Company.
  
Gaya MLA
      P.E., Lindley, R., Higgins,., Morrow, L.C..
    "Maintenance Engineering Handbook".
    3
    New York:
  McGraw - Hill Book Company,
  1977.
  Text.