Vennetier, P. (1968). Congo Brazzaville et Gabon. National Committee for Geography.
Cita Chicago Style (17a ed.)Vennetier, Pierre. Congo Brazzaville Et Gabon. National Committee for Geography, 1968.
Cita MLA (8a ed.)Vennetier, Pierre. Congo Brazzaville Et Gabon. National Committee for Geography, 1968.
Precaución: Estas citas no son 100% exactas.