Dyfyniad APA

Kirst, H. H., & J. Maxwell Brownjohn. (1966). The 20th of July. Collins.

Dyfyniad Arddull Chicago

Kirst, Hans Hellmut, and J. Maxwell Brownjohn. The 20th of July. London: Collins, 1966.

Dyfyniad MLA

Kirst, Hans Hellmut, and J. Maxwell Brownjohn. The 20th of July. Collins, 1966.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.