Merck. (1999). Chemicals reagents. Darmstadt, Germany: Merck.
Trích dẫn kiểu ChicagoMerck. Chemicals Reagents. Darmstadt, Germany: Merck, 1999.
MLA引文Merck. Chemicals Reagents. Darmstadt, Germany: Merck, 1999.
警告:这些引文格式不一定是100%准确.
Merck. (1999). Chemicals reagents. Darmstadt, Germany: Merck.
Trích dẫn kiểu ChicagoMerck. Chemicals Reagents. Darmstadt, Germany: Merck, 1999.
MLA引文Merck. Chemicals Reagents. Darmstadt, Germany: Merck, 1999.