Dyfyniad APA

(1991). Dictionary of steroids: Chemical data, structures and bibliographies. Chapman & Hall.

Dyfyniad Arddull Chicago

Dictionary of Steroids: Chemical Data, Structures and Bibliographies. London: Chapman & Hall, 1991.

Dyfyniad MLA

Dictionary of Steroids: Chemical Data, Structures and Bibliographies. Chapman & Hall, 1991.

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