Gaya APA

Lacey, D, T, D, D, A, A, Y, D, S, S, D, L. (1990). Guidelines for Production of Bacillus thuringiensis H-14 and Bacillus sphaericus . New York: UNDP/World Health Organization/WHO Special Programme for Research and TDR.

Gaya MLA

Lacey, Dr, T., Dulmage,, Dr, A., A., Yousten,, Dr, S., Singer,, Dr, L.A.. "Guidelines for Production of Bacillus thuringiensis H-14 and Bacillus sphaericus". New York: UNDP/World Health Organization/WHO Special Programme for Research and TDR, 1990. Text.