APA

HABITAT NEWS, . (1990). STUDY TOUR URBAN SOLID -WASTE -TREATMENT AND MANAGEMENT, THAILAND BULGARIA ,IMPROVINC HOUSING CONDITIONS AND REHABILITATING HISTORIC CENTRES. : .

Chicago

HABITAT NEWS, . 1990. STUDY TOUR URBAN SOLID -WASTE -TREATMENT AND MANAGEMENT, THAILAND BULGARIA ,IMPROVINC HOUSING CONDITIONS AND REHABILITATING HISTORIC CENTRES. : .

Harvard

HABITAT NEWS, . (1990). STUDY TOUR URBAN SOLID -WASTE -TREATMENT AND MANAGEMENT, THAILAND BULGARIA ,IMPROVINC HOUSING CONDITIONS AND REHABILITATING HISTORIC CENTRES. : .

MLA

HABITAT NEWS, . STUDY TOUR URBAN SOLID -WASTE -TREATMENT AND MANAGEMENT, THAILAND BULGARIA ,IMPROVINC HOUSING CONDITIONS AND REHABILITATING HISTORIC CENTRES. : . 1990.