Lo, R. F. (2001). Hello, Billy? How's everything? Are you okay? Philippine Star.
Lua i Stíl Chicago (17ú heag.)Lo, Ricardo F. "Hello, Billy? How's Everything? Are You Okay?" Philippine Star 2001.
Lua MLA (9ú heag.)Lo, Ricardo F. "Hello, Billy? How's Everything? Are You Okay?" Philippine Star, 2001.
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