APA استشهاد

Thomas, E. B. (1949). This business of boating. Cambridge maritime press.

استشهاد بنمط شيكاغو

Thomas, Elwell B. This Business of Boating. Cambridge: Cambridge maritime press, 1949.

MLA استشهاد

Thomas, Elwell B. This Business of Boating. Cambridge maritime press, 1949.