APA
Boltz D. F. &. H. J. A., . (1978). Colorimetric determination of nonmetals. John Wiley & Sons, New York: .
Chicago
Boltz David F.(ed) & Howell James A, . 1978. Colorimetric determination of nonmetals. John Wiley & Sons, New York: .
Harvard
Boltz D. F. &. H. J. A., . (1978). Colorimetric determination of nonmetals. John Wiley & Sons, New York: .
MLA
Boltz David F.(ed) & Howell James A, . Colorimetric determination of nonmetals. John Wiley & Sons, New York: . 1978.