APA

Ред. кол.: Ed. Board : D. Staneva-Stoitcheva et al, . (1964). PROCEEDINGS OF THE POSTGRADUATE MEDICAL INSTITUTE (ISUL). : Medicina i Fizkultura.

Chicago

Ред. кол.: Ed. Board : D. Staneva-Stoitcheva et al, . 1964. PROCEEDINGS OF THE POSTGRADUATE MEDICAL INSTITUTE (ISUL). : Medicina i Fizkultura.

Harvard

Ред. кол.: Ed. Board : D. Staneva-Stoitcheva et al, . (1964). PROCEEDINGS OF THE POSTGRADUATE MEDICAL INSTITUTE (ISUL). : Medicina i Fizkultura.

MLA

Ред. кол.: Ed. Board : D. Staneva-Stoitcheva et al, . PROCEEDINGS OF THE POSTGRADUATE MEDICAL INSTITUTE (ISUL). : Medicina i Fizkultura. 1964.