APA-referens (7:e uppl.)
Grossnickle, S. C. (2000). Ecophysiology of northern spruce species: The performance of planted seedlings. NRC Research Press.
Chicago-referens (17:e uppl.)
Grossnickle, Steven C. Ecophysiology of Northern Spruce Species: The Performance of Planted Seedlings. Ottawa: NRC Research Press, 2000.
MLA-referens (9:e uppl.)
Grossnickle, Steven C. Ecophysiology of Northern Spruce Species: The Performance of Planted Seedlings. NRC Research Press, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.