APA aipamena

WALKER,John Charles. (1957). PLANT PATHOLOGY (second.). McGRAW - HILL BOOK COMPANY,Inc.

Chicago Style aipamena

WALKER,John Charles. PLANT PATHOLOGY. second. NEW YORK: McGRAW - HILL BOOK COMPANY,Inc, 1957.

MLA aipamena

WALKER,John Charles. PLANT PATHOLOGY. second. McGRAW - HILL BOOK COMPANY,Inc, 1957.