Cita APA (7th ed.)
Dreimanis, A. (1947). An improved petrological Method for the investigation of boulder clays.
Cita Chicago (17th ed.)
Dreimanis, Aleksis. An Improved Petrological Method for the Investigation of Boulder Clays. Pinneberg, 1947.
Cita MLA (9th ed.)
Dreimanis, Aleksis. An Improved Petrological Method for the Investigation of Boulder Clays. 1947.
Atenció: Aquestes cites poden no estar 100% correctes.