APA (7th ed.) Citation

Philippine Association for the Advancement of Science, Campos, P. C., & Velasco, J. R. (1970). Proceedings [of the two symposia sponsored by the PHILAAS]. s.n.

Chicago Style (17th ed.) Citation

Philippine Association for the Advancement of Science, Paulo C. Campos, and Jose R. Velasco. Proceedings [of the Two Symposia Sponsored by the PHILAAS]. [Manila: s.n, 1970.

MLA (9th ed.) Citation

Philippine Association for the Advancement of Science, et al. Proceedings [of the Two Symposia Sponsored by the PHILAAS]. s.n, 1970.

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