Gaya APA

M., L, I, H. (1996). Heads of states and governments : a worldwide encyclopedia of over 2.300 leaders 1945 through 1992 . Singapore: Toppan Company.

Gaya MLA

M., Lentz, III,, Harris. "Heads of states and governments : a worldwide encyclopedia of over 2.300 leaders 1945 through 1992". Singapore: Toppan Company, 1996. Text.