APA
(1941). Vitamin B1(Thiamine Hydrochloride). Merck & Co. Inc., New Jersey: .
Chicago
1941. Vitamin B1(Thiamine Hydrochloride). Merck & Co. Inc., New Jersey: .
Harvard
(1941). Vitamin B1(Thiamine Hydrochloride). Merck & Co. Inc., New Jersey: .
MLA
Vitamin B1(Thiamine Hydrochloride). Merck & Co. Inc., New Jersey: . 1941.