Santos, R. P. (1973). Ang Puting waling-waling: A musico-dance drama in three acts story, libretto and music. University Microfilms.
Citace podle Chicago (17th ed.)Santos, Ramon Pagayon. Ang Puting Waling-waling: A Musico-dance Drama in Three Acts Story, Libretto and Music. Michigan: University Microfilms, 1973.
Citace podle MLA (9th ed.)Santos, Ramon Pagayon. Ang Puting Waling-waling: A Musico-dance Drama in Three Acts Story, Libretto and Music. University Microfilms, 1973.
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