Gaya APA
Marquis, Ralph W.. (1966).
ENVIRONMENTAL Improvement (Air Water And Soil) .
New York:
The Graduate School.
Gaya Chicago
Marquis, Ralph W..
ENVIRONMENTAL Improvement (Air Water And Soil).
New York:
The Graduate School,
1966.
Teks.
Gaya MLA
Marquis, Ralph W..
ENVIRONMENTAL Improvement (Air Water And Soil).
New York:
The Graduate School,
1966.
Teks.
Gaya Turabian
Marquis, Ralph W..
ENVIRONMENTAL Improvement (Air Water And Soil).
New York:
The Graduate School,
1966.
Teks.