Gaya APA
Ong, E.R. De. (1960).
Chemical and natural control of pests .
New York:
Reinhold Publishing Corporation.
Gaya Chicago
Ong, E.R. De.
Chemical and natural control of pests.
New York:
Reinhold Publishing Corporation,
1960.
Tesis.
Gaya MLA
Ong, E.R. De.
Chemical and natural control of pests.
New York:
Reinhold Publishing Corporation,
1960.
Tesis.
Gaya Turabian
Ong, E.R. De.
Chemical and natural control of pests.
New York:
Reinhold Publishing Corporation,
1960.
Tesis.