APA استشهاد

Saudek, R. (1925). The psychology of handwriting. G. Allen & Unwin ltd.

استشهاد بنمط شيكاغو

Saudek, Robert. The Psychology of Handwriting. London: G. Allen & Unwin ltd, 1925.

MLA استشهاد

Saudek, Robert. The Psychology of Handwriting. G. Allen & Unwin ltd, 1925.