Instrument Society of America. (1997). Symbols, specification forms, and general terminology: ISA standards recommended practices and technical reports. Instrument Society of America.
Παραπομπή σε μορφή Chicago (17η εκδ.)Instrument Society of America. Symbols, Specification Forms, and General Terminology: ISA Standards Recommended Practices and Technical Reports. Instrument Society of America, 1997.
Παραπομπή σε μορφή MLA (8th εκδ.)Instrument Society of America. Symbols, Specification Forms, and General Terminology: ISA Standards Recommended Practices and Technical Reports. Instrument Society of America, 1997.
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