Gaya APA
1939, J., C., D. (1993).
Process control instrumentation technology / Curtis Johnson (Ed.ke-4).
:
Regents / Prentice Hall.
Gaya MLA
Johnson, Curtis, D.,, 1939.
"Process control instrumentation technology / Curtis Johnson".
Ed.ke-4
:
Regents / Prentice Hall,
1993.
Textbook.