Gaya APA
Soils An Introduction to Soils and Plant Growth. (1977).
Englewood Cliffs:
prentice-hall.
Gaya Chicago
Soils An Introduction to Soils and Plant Growth.
.
Englewood Cliffs:
prentice-hall,
1977.
Reference.
Gaya MLA
Soils An Introduction to Soils and Plant Growth.
.
Englewood Cliffs:
prentice-hall,
1977.
Reference.
Gaya Turabian
Soils An Introduction to Soils and Plant Growth.
Englewood Cliffs:
prentice-hall,
1977.
Reference.