P.Beer Ferdinand, & Johnston, J. E. R. (1987). Mechanics for Engineers: Statics (photocopy). America: McGraw-Hill Science.
Chicago Style aipamenaP.Beer Ferdinand, và Jr E. Russell Johnston. Mechanics for Engineers: Statics (photocopy). America: McGraw-Hill Science, 1987.
MLA aipamenaP.Beer Ferdinand, và Jr E. Russell Johnston. Mechanics for Engineers: Statics (photocopy). America: McGraw-Hill Science, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.