Gaya APA

Onishi, H., Sandell, . (1978). Photometric Determination Of Traces Of Metals General Aspects Part I Of Colorimetric Determination of Trace Metals (4th.ed). New York: John Willey and Sons.

Gaya MLA

Onishi, Hiroshi., Sandell, . "Photometric Determination Of Traces Of Metals General Aspects Part I Of Colorimetric Determination of Trace Metals". 4th.ed New York: John Willey and Sons, 1978. Teks.