Alexander, M. (1977). Introduction to soil microbiology. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Alexander, Martin. Introduction to Soil Microbiology. New York: John Wiley & Sons, 1977.
Lua MLA (9ú heag.)Alexander, Martin. Introduction to Soil Microbiology. John Wiley & Sons, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.