Gaya APA

Leich, C, M., Holtzman, S, H. (1981). Wittgenstein : to follow a rule (1st ed). London: Routledge and Kegan Paul.

Gaya MLA

Leich, Christopher, M.., Holtzman, Steven, H.. "Wittgenstein : to follow a rule". 1st ed London: Routledge and Kegan Paul, 1981. Text.