APA引文

Ch'ng, H. H. (2005). Method development and validation of qualitative analysis of MDMA, codeine and morphine in urine using GC-MS.

Chicago Style (17th ed.) Citation

Ch'ng, Hooi Hoon. Method Development and Validation of Qualitative Analysis of MDMA, Codeine and Morphine in Urine Using GC-MS. 2005.

MLA引文

Ch'ng, Hooi Hoon. Method Development and Validation of Qualitative Analysis of MDMA, Codeine and Morphine in Urine Using GC-MS. 2005.

警告：這些引文格式不一定是100％准確.