Cita APA (7th ed.)

Gibb, A. (1976). A "dual modern economics" growth model [microfilm]. Photoduplication Service,University of the Philippines Library.

Cita Chicago (17th ed.)

Gibb, Arthur,Jr. A "Dual Modern Economics" Growth Model [microfilm]. Quezon City: Photoduplication Service,University of the Philippines Library, 1976.

Cita MLA (9th ed.)

Gibb, Arthur,Jr. A "Dual Modern Economics" Growth Model [microfilm]. Photoduplication Service,University of the Philippines Library, 1976.