Παραπομπή APA

Kovda, V. A. (1974). Biosphere, soils and their utilization: Materials of 10th International Congress of Soil Science. Moscow: Academy os Sciences of the USSR.

Παραπομπή Chicago Style

Kovda, V. A. Biosphere, Soils and Their Utilization: Materials of 10th International Congress of Soil Science. Moscow: Academy os Sciences of the USSR, 1974.

Παραπομπή MLA

Kovda, V. A. Biosphere, Soils and Their Utilization: Materials of 10th International Congress of Soil Science. Moscow: Academy os Sciences of the USSR, 1974.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.