Gaya APA
Johnson, C. B.. (1981).
Physiological processes limiting plant productivity .
London:
Butterworths .
Gaya Chicago
Johnson, C. B..
Physiological processes limiting plant productivity.
London:
Butterworths ,
1981.
Text.
Gaya MLA
Johnson, C. B..
Physiological processes limiting plant productivity.
London:
Butterworths ,
1981.
Text.
Gaya Turabian
Johnson, C. B..
Physiological processes limiting plant productivity.
London:
Butterworths ,
1981.
Print.