Santos, R. P. (1976). Maligayang ika-60 anibersaryo = Happy 60th anniversary. Musika Buletin.
Chicago Style (17th ed.) CitationSantos, Ramon Pagayon. "Maligayang Ika-60 Anibersaryo = Happy 60th Anniversary." Musika Buletin 1976.
ציטוט MLASantos, Ramon Pagayon. "Maligayang Ika-60 Anibersaryo = Happy 60th Anniversary." Musika Buletin, 1976.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.