Gaya APA
CLARK, R, M., Gillean, J, I. (1981).
RESOURCE RECOVERY PLANNING AND MANAGEMENT .
Michigan:
ANN ARBOR SCIENCE.
Gaya MLA
CLARK, Robert, M.., Gillean, James, I..
"RESOURCE RECOVERY PLANNING AND MANAGEMENT".
Michigan:
ANN ARBOR SCIENCE,
1981.
Textbook.