Villar, J., Altman, D., Purwar, M., Noble, J., Knight, H., Ruyan, P., . . . Kennedy, S. (2013). The objectives, design and implementation of the INTERGROWTH-21st Project.
Chicago-viite (17. p.)Villar, J., et al. The Objectives, Design and Implementation of the INTERGROWTH-21st Project. 2013.
MLA-viite (9. p.)Villar, J., et al. The Objectives, Design and Implementation of the INTERGROWTH-21st Project. 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.