Texas Instrument Incorporated
Texas Instruments, 1986
Buku Referensi
Meyer, Carl H.
John Wiley & Sons, 1982
Buku Teks SO
Hanford, James Holly
F.S. Croff & Co., 1946
Buku Teks SO
Gray, Alistair
Pharmaceutical press, 2011
Buku Teks SO
Schwedt, Georg
John Wiley & Sons, 2001
Buku Referensi