(1992). Metrohm - programm 1992/1993. Metrohm Lonenanalytik.
Trích dẫn kiểu ChicagoMetrohm - Programm 1992/1993. Metrohm Lonenanalytik, 1992.
MLA引文Metrohm - Programm 1992/1993. Metrohm Lonenanalytik, 1992.
警告：这些引文格式不一定是100％准确.
APA引文