(1996). Thursday Evening Concert Series (Douglas Back, classical guitarist & lutenist). UP College of Music.
Chicago Style (17. basım) AtıfThursday Evening Concert Series (Douglas Back, Classical Guitarist & Lutenist). Quezon, City: UP College of Music, 1996.
MLA (9th ed.) AtıfThursday Evening Concert Series (Douglas Back, Classical Guitarist & Lutenist). UP College of Music, 1996.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..