Eala, Q. A. (1961). Philippine bibliographic services and a Pacific basin system of scientific information centers. s.n.].
Citace podle Chicago (17th ed.)Eala, Quintin Ayson. Philippine Bibliographic Services and a Pacific Basin System of Scientific Information Centers. [Manilan: s.n.], 1961.
Citace podle MLA (9th ed.)Eala, Quintin Ayson. Philippine Bibliographic Services and a Pacific Basin System of Scientific Information Centers. s.n.], 1961.
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