Cita APA (7th ed.)

Feder, E. (1983). Perverse development. Foundation for Nationalist Studies.

Cita Chicago (17th ed.)

Feder, Ernest. Perverse Development. Quezon City: Foundation for Nationalist Studies, 1983.

Cita MLA (9th ed.)

Feder, Ernest. Perverse Development. Foundation for Nationalist Studies, 1983.