Page, R., Clarke, R., & Poole, J. (1982). Problem solving. Oliver & Boyd in association with the National Centre for School Technology.
Citação do estilo Chicago (17ª ed.)Page, Ray, Roland Clarke, e John Poole. Problem Solving. Edinburgh: Oliver & Boyd in association with the National Centre for School Technology, 1982.
Citação MLA (8ª ed.)Page, Ray, et al. Problem Solving. Oliver & Boyd in association with the National Centre for School Technology, 1982.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.