APA-čujuhus (7. p.)
Ryser, S., & Weber, M. (1991). Genetic engineering. What's happening at Roche? (1a. ed.). Editiones Roche.
Chicago-čujuhus (17. p.)
Ryser, Stefan, juo Marcel Weber. Genetic Engineering. What's Happening at Roche? 1a. ed. Basilea: Editiones Roche, 1991.
MLA-čujuhus (9. p.)
Ryser, Stefan, juo Marcel Weber. Genetic Engineering. What's Happening at Roche? 1a. ed. Editiones Roche, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.