Into the source :
string quartet no. 9 = Ind i kilden : strygekvartet nr. 9 : 2000-2001, rev. 2001 /
Per Nørgård

APA Citation

Nørgård, P. (2001). Into the source: string quartet no. 9 = Ind i kilden : strygekvartet nr. 9 : 2000-2001, rev. 2001. Copenhagen: Edition Wilhelm Hansen.

MLA Citation

Nørgård, Per, 1932-. Into the Source: String Quartet No. 9 = Ind I Kilden : Strygekvartet Nr. 9 : 2000-2001, Rev. 2001. Copenhagen: Edition Wilhelm Hansen, 2001.

Warning: These citations may not always be complete (especially for serials).