APA aipamena

Powell, P., & Timms, P. (1974). Chemistry of the non-metals. Chapman And Hall.

Chicago Style aipamena

Powell, P., and P. Timms. Chemistry of the Non-metals. London: Chapman And Hall, 1974.

MLA aipamena

Powell, P., and P. Timms. Chemistry of the Non-metals. Chapman And Hall, 1974.