Gaya APA
Spangler, Merlin Grant. (1968).
Culverts .
:
McGraw-Hill Book Co..
Gaya Chicago
Spangler, Merlin Grant.
Culverts.
:
McGraw-Hill Book Co.,
1968.
Globe.
Gaya MLA
Spangler, Merlin Grant.
Culverts.
:
McGraw-Hill Book Co.,
1968.
Globe.
Gaya Turabian
Spangler, Merlin Grant.
Culverts.
:
McGraw-Hill Book Co.,
1968.
Globe.