Dyfyniad APA

Pan American Union. Dept. of Scientific Affairs & Centro de Documentacion Cientfica y Tecnica de Mexico. (1962). Guide to Latin American scientific and technical periodicals: An annotated list. Pan American Union.

Dyfyniad Arddull Chicago

Pan American Union. Dept. of Scientific Affairs and Centro de Documentacion Cientfica y Tecnica de Mexico. Guide to Latin American Scientific and Technical Periodicals: An Annotated List. Washington: Pan American Union, 1962.

Dyfyniad MLA

Pan American Union. Dept. of Scientific Affairs and Centro de Documentacion Cientfica y Tecnica de Mexico. Guide to Latin American Scientific and Technical Periodicals: An Annotated List. Pan American Union, 1962.

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