Gaya APA

Wolsey, E, J, S, W, L, W, C. (1973). Chemical Principles In The Laboratory (--). Philadelphia: W. B. Saunders Company.

Gaya MLA

Wolsey, Emil, J., Slowinski,, William, L.Masterton,, Wayne, C.. "Chemical Principles In The Laboratory". -- Philadelphia: W. B. Saunders Company, 1973. Text.