APA
Walinga I., . (1995). Plant analysis manual. Netherlands: Kluwer academic publishers.
Chicago
Walinga I, . 1995. Plant analysis manual. Netherlands: Kluwer academic publishers.
Harvard
Walinga I., . (1995). Plant analysis manual. Netherlands: Kluwer academic publishers.
MLA
Walinga I, . Plant analysis manual. Netherlands: Kluwer academic publishers. 1995.