Gaya APA
Effect of folic acid, Vitamin B6 and Vitamin 12 supplementation on mortality and cardiovascular com. (2013).
Jakarta:
Interna Publishing.
Gaya MLA
Effect of folic acid, Vitamin B6 and Vitamin 12 supplementation on mortality and cardiovascular com.
0125-9326.
Jakarta:
Interna Publishing,
2013.
Majalah.