APA-čujuhus (7. p.)
Stafford, D. A., Hawkes, D. L., & Horton, R. (1980). Methane Production from waste organic matter. CRC-Press.
Chicago-čujuhus (17. p.)
Stafford, David A., Dennis L. Hawkes, juo Rex Horton. Methane Production from Waste Organic Matter. Boca Raton: CRC-Press, 1980.
MLA-čujuhus (9. p.)
Stafford, David A., et al. Methane Production from Waste Organic Matter. CRC-Press, 1980.
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