Παραπομπή APA

Kulstad, R. (1988). AIDS 1988. American Assn. for the Advancement of Science.

Παραπομπή Chicago Style

Kulstad, Ruth. AIDS 1988. Washington: American Assn. for the Advancement of Science, 1988.

Παραπομπή MLA

Kulstad, Ruth. AIDS 1988. American Assn. for the Advancement of Science, 1988.