APA Style

. (1972). Burundi: I.S.A.B.U..

Chicago Style

. . Burundi: I.S.A.B.U., 1972. Hard Copy.

MLA Style

. . Burundi: I.S.A.B.U., 1972. Hard Copy.

Turabian Style

. Burundi: I.S.A.B.U., 1972. Hard Copy.