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.
Citazione stile Chigago Style (17a edizione)Philippine Association for the Advancement of Science, Paulo C. Campos, e Jose R. Velasco. Proceedings [of the Two Symposia Sponsored by the PHILAAS]. [Manila: s.n, 1970.
Citatione MLA (9a ed.)Philippine Association for the Advancement of Science, et al. Proceedings [of the Two Symposia Sponsored by the PHILAAS]. s.n, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.