Cita APA

Duisberg, P. (1978). Memorandum: Recommendations inf the field of soils.

Chicago Style Citation

Duisberg, P.C. Memorandum: Recommendations Inf the Field of Soils. 1978.

Cita MLA

Duisberg, P.C. Memorandum: Recommendations Inf the Field of Soils. 1978.

Atenció: Aquestes cites poden no estar 100% correctes.