Cita APA (7a ed.)

Ubalde, D. (1965). Securing coherence through sequence-signals. s.n.].

Cita Chicago Style (17a ed.)

Ubalde, Dolores. Securing Coherence Through Sequence-signals. [Quezon City: s.n.], 1965.

Cita MLA (9a ed.)

Ubalde, Dolores. Securing Coherence Through Sequence-signals. s.n.], 1965.