APA (7e ed.) Bronvermelding

Grey , E. C. (1925). Practical chemistry by micro-methods. W. Heffer.

Chicago (17e ed.) Bronvermelding

Grey , Egerton Charles. Practical Chemistry by Micro-methods. Cambridge: W. Heffer, 1925.

MLA (9e ed.) Bronvermelding

Grey , Egerton Charles. Practical Chemistry by Micro-methods. W. Heffer, 1925.