APA-viite

NULL. (1987). ADVANCED PLANT PHYSIOLOGY. ENGLISH LANGUAGE BOOK SOCIETY/LONGMAN.

Chicago-tyylinen lähdeviittaus

NULL. ADVANCED PLANT PHYSIOLOGY. ENGLAND: ENGLISH LANGUAGE BOOK SOCIETY/LONGMAN, 1987.

MLA-viite

NULL. ADVANCED PLANT PHYSIOLOGY. ENGLISH LANGUAGE BOOK SOCIETY/LONGMAN, 1987.