Gaya APA

Institut, A, P. (1995). Process Instrumentation and Control : API RECOMMENDED PRACTICE 554 FIRST EDITION, SEPTEMBER 1995 . Washington: American Petroleum Institut.

Gaya MLA

Institut, American, Petroleum. "Process Instrumentation and Control : API RECOMMENDED PRACTICE 554 FIRST EDITION, SEPTEMBER 1995". Washington: American Petroleum Institut, 1995. Text.