Gaya APA
Alexander, Martin. (1977).
Introduction to soil microbiology (text).
New York:
John Wiley & Sons.
Gaya Chicago
Alexander, Martin.
Introduction to soil microbiology.
text
New York:
John Wiley & Sons,
1977.
Tesis.
Gaya MLA
Alexander, Martin.
Introduction to soil microbiology.
text
New York:
John Wiley & Sons,
1977.
Tesis.
Gaya Turabian
Alexander, Martin.
Introduction to soil microbiology.
text
New York:
John Wiley & Sons,
1977.
Tesis.