Tubman, W. V. S. (1969). President William V. S. Tubman of Liberia speaks: Covering addresses, messages, speeches and statements 1944-1959 (2nd ed.). Department of Information and Cultural Affairs.
Cytowanie według stylu Chicago (wyd. 17)Tubman, William V. S. President William V. S. Tubman of Liberia Speaks: Covering Addresses, Messages, Speeches and Statements 1944-1959. 2nd ed. Monrovia, Liberia: Department of Information and Cultural Affairs, 1969.
Cytowanie według stylu MLA (wyd. 8)Tubman, William V. S. President William V. S. Tubman of Liberia Speaks: Covering Addresses, Messages, Speeches and Statements 1944-1959. 2nd ed. Department of Information and Cultural Affairs, 1969.
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