APA
PEARSE H. L., . (1948). Growth substances and their practical importance in horticulture. Rhodesia: Commonwealth Bureau of horticulture.
Chicago
PEARSE H L, . 1948. Growth substances and their practical importance in horticulture. Rhodesia: Commonwealth Bureau of horticulture.
Harvard
PEARSE H. L., . (1948). Growth substances and their practical importance in horticulture. Rhodesia: Commonwealth Bureau of horticulture.
MLA
PEARSE H L, . Growth substances and their practical importance in horticulture. Rhodesia: Commonwealth Bureau of horticulture. 1948.