APA-čujuhus (7. p.)

GOYAL, P. (1997). PRINCIPLES OF CONTROL SYSTEMS. TECHNICAL PUBLICATION.

Chicago-čujuhus (17. p.)

GOYAL, P. PRINCIPLES OF CONTROL SYSTEMS. PUNE: TECHNICAL PUBLICATION, 1997.

MLA-čujuhus (9. p.)

GOYAL, P. PRINCIPLES OF CONTROL SYSTEMS. TECHNICAL PUBLICATION, 1997.

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