Cita APA (7th ed.)

eleish, g. (1962). an introduction to the input- output model. the institute of national planning.

Cita Chicago (17th ed.)

eleish, g. An Introduction to the Input- Output Model. cairo: the institute of national planning, 1962.

Cita MLA (9th ed.)

eleish, g. An Introduction to the Input- Output Model. the institute of national planning, 1962.