Dyfyniad APA

Ravi Parkash. Encyclopaedia of educational research: Methods of educational research Vol 2(Reference).

Dyfyniad Arddull Chicago

Ravi Parkash. Encyclopaedia of Educational Research: Methods of Educational Research Vol 2(Reference).

Dyfyniad MLA

Ravi Parkash. Encyclopaedia of Educational Research: Methods of Educational Research Vol 2(Reference).

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.