(1996). Thursday Evening Concert Series (Douglas Back, classical guitarist & lutenist). UP College of Music.
Čikaški stil citiranja (17. izdanje)Thursday Evening Concert Series (Douglas Back, Classical Guitarist & Lutenist). Quezon, City: UP College of Music, 1996.
MLA način citiranja (9. izdanje)Thursday Evening Concert Series (Douglas Back, Classical Guitarist & Lutenist). UP College of Music, 1996.
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