Kekkonen, R. Solar cookers: An idea whose time has come.
Cita Chicago Style (17a ed.)Kekkonen, Risto. Solar Cookers: An Idea Whose Time Has Come.
Cita MLA (9a ed.)Kekkonen, Risto. Solar Cookers: An Idea Whose Time Has Come.
Precaución: Estas citas no son 100% exactas.