APA (7th ed.) Citation

Halama, J. R.F. De Vellis: Scale development. Theory and aplications.

Chicago Style (17th ed.) Citation

Halama, J. R.F. De Vellis: Scale Development. Theory and Aplications.

MLA (9th ed.) Citation

Halama, J. R.F. De Vellis: Scale Development. Theory and Aplications.

Warning: These citations may not always be 100% accurate.