Cita APA (7th ed.)

SPOTTS, M. F. (1978). DESIGN OF MACHINE ELEMENTS. PHI.

Cita Chicago (17th ed.)

SPOTTS, M F. DESIGN OF MACHINE ELEMENTS. NEW DELHI: PHI, 1978.

Cita MLA (9th ed.)

SPOTTS, M F. DESIGN OF MACHINE ELEMENTS. PHI, 1978.