APA Citation

Laval, G., & Tuyns, A. J. (1988). Environmental factors in childhood leukaemia.

Citação norma Chicago

Laval, G., and A J. Tuyns. Environmental Factors in Childhood Leukaemia. 1988.

MLA Citation

Laval, G., and A J. Tuyns. Environmental Factors in Childhood Leukaemia. 1988.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.