Gaya APA
Stevens, Russell B.. (1974).
Plant diseases (text).
New York:
The Ronald Press.
Gaya Chicago
Stevens, Russell B..
Plant diseases.
text
New York:
The Ronald Press,
1974.
Tesis.
Gaya MLA
Stevens, Russell B..
Plant diseases.
text
New York:
The Ronald Press,
1974.
Tesis.
Gaya Turabian
Stevens, Russell B..
Plant diseases.
text
New York:
The Ronald Press,
1974.
Tesis.