Gaya APA

Sneed, M, C, (, C. et al (1972). Comprehensive inorganic chemistry volume VIII sulfur, selenium, tellurium, polonium, and oxygen . Amerika: .

Gaya MLA

Sneed, M., Cannon, (Mayce, Cannon),. et al. "Comprehensive inorganic chemistry volume VIII sulfur, selenium, tellurium, polonium, and oxygen". Amerika: , 1972. print.