Gilman, P. R., Van Houten, L., & Dancel-Cornista, P. (1961). General science today for Philippine schools: First year (1963 Phoenix ed.). Phoenix Publishing House.
Chicago-viite (17. p.)Gilman, Phil R., L.F Van Houten, ja Purita Dancel-Cornista. General Science Today for Philippine Schools: First Year. 1963 Phoenix ed. Quezon City: Phoenix Publishing House, 1961.
MLA-viite (9. p.)Gilman, Phil R., et al. General Science Today for Philippine Schools: First Year. 1963 Phoenix ed. Phoenix Publishing House, 1961.
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