Cita APA (7th ed.)

WEIR, M. (1981). Statistical and natural resources data collection. Dep. kartografi.

Cita Chicago (17th ed.)

WEIR, M. Statistical and Natural Resources Data Collection. T.k: Dep. kartografi, 1981.

Cita MLA (9th ed.)

WEIR, M. Statistical and Natural Resources Data Collection. Dep. kartografi, 1981.