Gaya APA
Russell's Soil conditions and plant growth. (1988).
Harlow:
Longman.
Gaya Chicago
Russell's Soil conditions and plant growth.
.
Harlow:
Longman,
1988.
Tesis.
Gaya MLA
Russell's Soil conditions and plant growth.
.
Harlow:
Longman,
1988.
Tesis.
Gaya Turabian
Russell's Soil conditions and plant growth.
Harlow:
Longman,
1988.
Tesis.