Cita APA (7a ed.)

Indonesia. Syiah Kuala University. (1972). Economic contour study of Sumatra (Aceh and North Sumatera). Economic and Social Research Institute, Syiah Kuala University.

Cita Chicago Style (17a ed.)

Indonesia. Syiah Kuala University. Economic Contour Study of Sumatra (Aceh and North Sumatera). Darussalan, Aceh: Economic and Social Research Institute, Syiah Kuala University, 1972.

Cita MLA (9a ed.)

Indonesia. Syiah Kuala University. Economic Contour Study of Sumatra (Aceh and North Sumatera). Economic and Social Research Institute, Syiah Kuala University, 1972.