APA-čujuhus (7. p.)

Evans, A. (1998). Portable laboratory tests the water. London : London Press Service.

Chicago-čujuhus (17. p.)

Evans, Albert. Portable Laboratory Tests the Water. London : London Press Service, 1998.

MLA-čujuhus (9. p.)

Evans, Albert. Portable Laboratory Tests the Water. London : London Press Service, 1998.

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