Swift, L. B. and Zola, E. W. A. 1963. Kituba: basic course. Washington, D.C.: Foreign Service Institut, Department of State.
@misc{4087, author = {Swift, L. B. and Zola, E. W. A.}, title = {Kituba: basic course. Washington, D.C.: Foreign Service Institut, Department of State.}, year = {1963} }