APA-čujuhus (7. p.)

BLANC, A. (1996). Stairs, steps and ramps. Butterworth Architecture.

Chicago-čujuhus (17. p.)

BLANC, Alan. Stairs, Steps and Ramps. Oxford: Butterworth Architecture, 1996.

MLA-čujuhus (9. p.)

BLANC, Alan. Stairs, Steps and Ramps. Butterworth Architecture, 1996.

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