APA

KING D. A., . (1981). The origin of the Astrolabe according to the medieval Arabic sources. : Journ. Hist. Ar. Sc. Vol. 5/1-2, 1981.

Chicago

KING David A, . 1981. The origin of the Astrolabe according to the medieval Arabic sources. : Journ. Hist. Ar. Sc. Vol. 5/1-2, 1981.

Harvard

KING D. A., . (1981). The origin of the Astrolabe according to the medieval Arabic sources. : Journ. Hist. Ar. Sc. Vol. 5/1-2, 1981.

MLA

KING David A, . The origin of the Astrolabe according to the medieval Arabic sources. : Journ. Hist. Ar. Sc. Vol. 5/1-2, 1981. 1981.