Cita APA (7th ed.)

Punthip Nalampang. (1973). Tense in English and Thai verbs: A descriptive contrastive analysis. s.n.].

Cita Chicago (17th ed.)

Punthip Nalampang. Tense in English and Thai Verbs: A Descriptive Contrastive Analysis. [Quezon City: s.n.], 1973.

Cita MLA (9th ed.)

Punthip Nalampang. Tense in English and Thai Verbs: A Descriptive Contrastive Analysis. s.n.], 1973.