APA استشهاد

Swift, L. B. a. Z. (1963). Kituba Basic Course. Foreign Service Institute.

استشهاد بنمط شيكاغو

Swift, L. B. and Zola. Kituba Basic Course. Washington: Foreign Service Institute, 1963.

MLA استشهاد

Swift, L. B. and Zola. Kituba Basic Course. Foreign Service Institute, 1963.