Lazdina, V., & Pūrin̦š, V. (1957). Riga: Ėkonomiko-geograficheskiĭ ocherk. Gos. izd-vo geogr. lit-ry.
Chicago Style (17th ed.) CitationLazdina, Vija, and V. Pūrin̦š. Riga: Ėkonomiko-geograficheskiĭ Ocherk. Moskva: Gos. izd-vo geogr. lit-ry, 1957.
MLA (8th ed.) CitationLazdina, Vija, and V. Pūrin̦š. Riga: Ėkonomiko-geograficheskiĭ Ocherk. Gos. izd-vo geogr. lit-ry, 1957.
Warning: These citations may not always be 100% accurate.