Gaya APA

Feigl, F., Oesper, R, E. (1970). Spot Test in Inorganic Analysis (Fifth, enlarged and revised English Edition) . Amsterdam: ELSEVIER PUBLISHING COMPANY.

Gaya MLA

Feigl, Fritz., Oesper, Ralph, E.. "Spot Test in Inorganic Analysis (Fifth, enlarged and revised English Edition)". Amsterdam: ELSEVIER PUBLISHING COMPANY, 1970. Text.