Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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