Cita APA (7a ed.)

Nübler, I., Hofmann, C., & Greiner, C. (2009). Understanding informal apprenticeship: Findings from empirical research in Tanzania. International Labour Organization.

Cita Chicago Style (17a ed.)

Nübler, Irmgard, Christine Hofmann, y Clemens Greiner. Understanding Informal Apprenticeship: Findings from Empirical Research in Tanzania. International Labour Organization, 2009.

Cita MLA (9a ed.)

Nübler, Irmgard, et al. Understanding Informal Apprenticeship: Findings from Empirical Research in Tanzania. International Labour Organization, 2009.