Παραπομπή APA

Boltz, D. F., & Howell, J. A. (1978). Colorimetric determination of non metals. Wiley Eastern.

Παραπομπή Chicago Style

Boltz, David F., και James A. Howell. Colorimetric Determination of Non Metals. Toronto: Wiley Eastern, 1978.

Παραπομπή MLA

Boltz, David F., και James A. Howell. Colorimetric Determination of Non Metals. Wiley Eastern, 1978.