APA Баримт

(1982). The world's telephones: A statistical compilation as of January 1. Большая рос. энциклопедия.

Чикаго маягийн жагсаалт

The World's Telephones: A Statistical Compilation as of January 1. М: Большая рос. энциклопедия, 1982.

MLA ишлэл

The World's Telephones: A Statistical Compilation as of January 1. Большая рос. энциклопедия, 1982.

Warning: These citations may not always be 100% accurate.