The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, . (1967). Annual report 1966 =: laporan tahunan. Alor Setar, Kedah: The United Kedah Planting Association.
Chicago
The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, . 1967. Annual report 1966 =: laporan tahunan. Alor Setar, Kedah: The United Kedah Planting Association.
Harvard
The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, . (1967). Annual report 1966 =: laporan tahunan. Alor Setar, Kedah: The United Kedah Planting Association.
MLA
The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, The United Kedah Planting Association ; Persatuan Penanam-Penanam Bersatu Kedah, . Annual report 1966 =: laporan tahunan. Alor Setar, Kedah: The United Kedah Planting Association. 1967.
