Gaya APA
Agriculture book 1 soils. (1966).
Philippines:
Macmillan Publishing.
Gaya Chicago
Agriculture book 1 soils.
.
Philippines:
Macmillan Publishing,
1966.
Tesis.
Gaya MLA
Agriculture book 1 soils.
.
Philippines:
Macmillan Publishing,
1966.
Tesis.
Gaya Turabian
Agriculture book 1 soils.
Philippines:
Macmillan Publishing,
1966.
Tesis.