APA ציטוט

Sweeney, D. R. (1989). Overcoming insonmia: A medical program for problem sleepers. G. P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Sweeney, Donald R. Overcoming Insonmia: A Medical Program for Problem Sleepers. G. P. Putnam's Sons, 1989.

ציטוט MLA

Sweeney, Donald R. Overcoming Insonmia: A Medical Program for Problem Sleepers. G. P. Putnam's Sons, 1989.