Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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