Παραπομπή APA

Saxena, S. (1972). Refresher course on labour problems and social welfare. Prakashan kendra.

Παραπομπή Chicago Style

Saxena, S.R. Refresher Course on Labour Problems and Social Welfare. Lucknow: Prakashan kendra, 1972.

Παραπομπή MLA

Saxena, S.R. Refresher Course on Labour Problems and Social Welfare. Prakashan kendra, 1972.