APA

Handwerker W. P., . (1981). The Liberian internal market system. Ann Arbor, Mich. [u.a.]: Univ. Microfilms Int.

Chicago

Handwerker Winston Penn, . 1981. The Liberian internal market system. Ann Arbor, Mich. [u.a.]: Univ. Microfilms Int.

Harvard

Handwerker W. P., . (1981). The Liberian internal market system. Ann Arbor, Mich. [u.a.]: Univ. Microfilms Int.

MLA

Handwerker Winston Penn, . The Liberian internal market system. Ann Arbor, Mich. [u.a.]: Univ. Microfilms Int. 1981.