Calder, R., Amirsadeghi, H., & Borgese, E. M. (1983). The Future of a troubled world. Heinemann.
Chicago-čujuhus (17. p.)Calder, Ritchie, Hossein Amirsadeghi, juo Elisabeth Mann Borgese. The Future of a Troubled World. London: Heinemann, 1983.
MLA-čujuhus (9. p.)Calder, Ritchie, et al. The Future of a Troubled World. Heinemann, 1983.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.