Mahrt, P., & Wuss-Mundeciema, L. (1992). Lettland. Kraft.
Tohutoru Kātū Chicago (17th ed.)Mahrt, Paul, me Leonija Wuss-Mundeciema. Lettland. Würzburg: Kraft, 1992.
Tohutoro MLA (9th ed.)Mahrt, Paul, me Leonija Wuss-Mundeciema. Lettland. Kraft, 1992.
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