APA引文

Gerhards, P. (1999). GC/MS in clinical chemistry. Weinheim, Federal Republic of Germany ; New York: Wiley-VCH.

Trích dẫn kiểu Chicago

Gerhards, Petra. GC/MS in Clinical Chemistry. Weinheim, Federal Republic of Germany ; New York: Wiley-VCH, 1999.

MLA引文

Gerhards, Petra. GC/MS in Clinical Chemistry. Weinheim, Federal Republic of Germany ; New York: Wiley-VCH, 1999.

警告：这些引文格式不一定是100％准确.