Petikan APA

Portway, D. (1939). Science and mechanisation in land warfare. N. Y.: Chemical pub. co..

Petikan Gaya Chicago

Portway, Donald. Science and Mechanisation in Land Warfare. N. Y.: Chemical pub. co., 1939.

Petikan MLA

Portway, Donald. Science and Mechanisation in Land Warfare. N. Y.: Chemical pub. co., 1939.

Amaran: Petikan-petikan ini tidak semestinya 100% tepat.