Gaya APA
Gradners's Chemical Synonyms and Trade names Eleventh Edition Edited by GWA Milne. (1999).
USA:
Vermont: Ashgate Publising Company.
Gaya MLA
Gradners's Chemical Synonyms and Trade names Eleventh Edition Edited by GWA Milne.
.
USA:
Vermont: Ashgate Publising Company,
1999.
.