Gaya APA
Johnson, C, D. (2000).
PROCESS CONTROL INSTRUMENTATION TECHNOLOGY sixth edition (KEENAM).
AMERICA:
PRENTICE-HALL INTERNAONAL.
Gaya MLA
Johnson, Curtis, D.
"PROCESS CONTROL INSTRUMENTATION TECHNOLOGY sixth edition".
KEENAM
AMERICA:
PRENTICE-HALL INTERNAONAL,
2000.
Text.