APA

BERGGREN J., . (1978). A coincidence of Pappos' Book VII with al-Bîrûnî's "Tahdîd". : Journ. Hist. Ar. Sc. Vol. 2/1, 1978.

Chicago

BERGGREN J.L, . 1978. A coincidence of Pappos' Book VII with al-Bîrûnî's "Tahdîd". : Journ. Hist. Ar. Sc. Vol. 2/1, 1978.

Harvard

BERGGREN J., . (1978). A coincidence of Pappos' Book VII with al-Bîrûnî's "Tahdîd". : Journ. Hist. Ar. Sc. Vol. 2/1, 1978.

MLA

BERGGREN J.L, . A coincidence of Pappos' Book VII with al-Bîrûnî's "Tahdîd". : Journ. Hist. Ar. Sc. Vol. 2/1, 1978. 1978.