Παραπομπή APA

GROVER L VELMA. SOLID WASTE MANAGEMENT. OXFORD AND IBH PUBLISHING CO, PVT. LTD.

Παραπομπή Chicago Style

GROVER L VELMA. SOLID WASTE MANAGEMENT. OXFORD AND IBH PUBLISHING CO, PVT. LTD.

Παραπομπή MLA

GROVER L VELMA. SOLID WASTE MANAGEMENT. OXFORD AND IBH PUBLISHING CO, PVT. LTD.