Ballance, R., & Sinclair, S. (1983). Collapse and survival: Industry strategies in a changing world. অষষবহ ্ টহরিহ.
Chicago Style (17th ed.) ZitazioaBallance, Robert, eta Stuart Sinclair. Collapse and Survival: Industry Strategies in a Changing World. London: অষষবহ ্ টহরিহ, 1983.
MLA (9th ed.) ZitazioaBallance, Robert, eta Stuart Sinclair. Collapse and Survival: Industry Strategies in a Changing World. অষষবহ ্ টহরিহ, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.