Gaya APA
dkk, G, H, J. (1989).
Vogels textbook of quantitative Chemical Analysis .
United States:
John Wiley & Sons, Inc..
Gaya MLA
dkk, G., H., Jeffery,.
"Vogels textbook of quantitative Chemical Analysis".
United States:
John Wiley & Sons, Inc.,
1989.
Ebook.