Gaya APA
Jeffrey, C.. (1968).
An Introduction to plant taxonomy / C. Jeffrey .
London:
J. n A. Churchill.
Gaya Chicago
Jeffrey, C..
An Introduction to plant taxonomy / C. Jeffrey.
London:
J. n A. Churchill,
1968.
Text.
Gaya MLA
Jeffrey, C..
An Introduction to plant taxonomy / C. Jeffrey.
London:
J. n A. Churchill,
1968.
Text.
Gaya Turabian
Jeffrey, C..
An Introduction to plant taxonomy / C. Jeffrey.
London:
J. n A. Churchill,
1968.
Print.