Gaya APA
Johnson, L, F., dkk., . (1960).
Methods for Studying: Soil Microflora-Plant Disease Relationships (Cet.2).
Minneapolis:
Burgess Publishing Company.
Gaya MLA
Johnson, Leander, F., dkk., .
"Methods for Studying: Soil Microflora-Plant Disease Relationships".
Cet.2
Minneapolis:
Burgess Publishing Company,
1960.
Text.