Deal, k. H. (2017). Wildlife and natural resource management 4th ed / Kevin H. Deal. cengage.
Chicago-viite (17. p.)Deal, kevin H. Wildlife and Natural Resource Management 4th Ed / Kevin H. Deal. cengage, 2017.
MLA-viite (8. p.)Deal, kevin H. Wildlife and Natural Resource Management 4th Ed / Kevin H. Deal. cengage, 2017.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.