Penones, H. F. J. V. (1992). "Sa ibabaw mo, Magdalena". s.n.
Chicago Style (17th ed.) CitationPenones, H. Francisco Jr. V. "Sa Ibabaw Mo, Magdalena". s.l: s.n, 1992.
MLA (9th ed.) CitationPenones, H. Francisco Jr. V. "Sa Ibabaw Mo, Magdalena". s.n, 1992.
Warning: These citations may not always be 100% accurate.