Παραπομπή APA

(1981). ABC analyzing biospheric changes: Operational programme document : working document: version September 1981. Netherlands: International Federation of Institutes for Advance Study.

Παραπομπή Chicago Style

ABC Analyzing Biospheric Changes: Operational Programme Document : Working Document: Version September 1981. Netherlands: International Federation of Institutes for Advance Study, 1981.

Παραπομπή MLA

ABC Analyzing Biospheric Changes: Operational Programme Document : Working Document: Version September 1981. Netherlands: International Federation of Institutes for Advance Study, 1981.

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