Gaya APA
Walkey, David G.A. (1985).
Applied plant virology .
New York:
John Wiley & Son.
Gaya Chicago
Walkey, David G.A.
Applied plant virology.
New York:
John Wiley & Son,
1985.
Tesis.
Gaya MLA
Walkey, David G.A.
Applied plant virology.
New York:
John Wiley & Son,
1985.
Tesis.
Gaya Turabian
Walkey, David G.A.
Applied plant virology.
New York:
John Wiley & Son,
1985.
Tesis.