Ferguson, J. S. (1984). Prevention of Significant deterioration requirements new source performance standards requirements - Pers. Com.
Chicago Style CitationFerguson, Jon S. Prevention of Significant Deterioration Requirements New Source Performance Standards Requirements - Pers. Com. 1984.
MLA CitationFerguson, Jon S. Prevention of Significant Deterioration Requirements New Source Performance Standards Requirements - Pers. Com. 1984.
Warning: These citations may not always be 100% accurate.