Elazegui, D. D., & Liguton, J. P. (2002). Law of nature: Command-and--control approach. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Elazegui, Dulce D., agus Jennifer P.T Liguton. "Law of Nature: Command-and--control Approach." Philippine Star 2002.
Lua MLA (9ú heag.)Elazegui, Dulce D., agus Jennifer P.T Liguton. "Law of Nature: Command-and--control Approach." Philippine Star, 2002.
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