(1980). Quantum theory and gravitation. Academic.
Chicago-čujuhus (17. p.)Quantum Theory and Gravitation. New York: Academic, 1980.
MLA-čujuhus (9. p.)Quantum Theory and Gravitation. Academic, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.