Campbell, G. (1998). Expansions: For all instruments : a method for developing new material for improvisation (2nd edition.). Wisconsin: Houston Publishing, Inc..
Chicago Style CitationCampbell, Gary. Expansions: For All Instruments : A Method for Developing New Material for Improvisation. 2nd edition. Wisconsin: Houston Publishing, Inc., 1998.
MLA CitationCampbell, Gary. Expansions: For All Instruments : A Method for Developing New Material for Improvisation. 2nd edition. Wisconsin: Houston Publishing, Inc., 1998.
Warning: These citations may not always be 100% accurate.