APA (7. basım) Alıntı

Tan, E. A. (1971). The level of unemployment in the Philippines. s.n.].

Chicago Style (17. basım) Atıf

Tan, Edita Abella. The Level of Unemployment in the Philippines. [Quezon City: s.n.], 1971.

MLA (9th ed.) Atıf

Tan, Edita Abella. The Level of Unemployment in the Philippines. s.n.], 1971.