APA Style
weissman, J. (2005).
Environmental and Toxigenic Virulence Factor of Salmonella typhi? Second International Seminar on Environmental Chemistry and Toxicology?? (April 26-27).
Jogjakarta Indonesia:
Proceeding Insect Second International Seminar on Enviromental Chemistry and Toxicology.
MLA Style
weissman, Jolie.
"Environmental and Toxigenic Virulence Factor of Salmonella typhi? Second International Seminar on Environmental Chemistry and Toxicology??".
April 26-27
Jogjakarta Indonesia:
Proceeding Insect Second International Seminar on Enviromental Chemistry and Toxicology,
2005.
Buku PGSD.