Gaya APA

Wittgenstein, L., (tr), G, V, W. (1983). Letters to C.K. Ogden with comments on the english translation of the tractatus logico philosophicus . : routledge&kegan paul.

Gaya MLA

Wittgenstein, Ludwig., (tr), G.H., Von, Wright. "Letters to C.K. Ogden with comments on the english translation of the tractatus logico philosophicus". : routledge&kegan paul, 1983. Text.