Gaya APA

J.H.CLOUGH-SMITH, . (1978). AN INTRODUCTION TO SPHERICAL TRIGONOMETRY . GREAT BRITAIN: BROWN, SON AND FERGUSON, LTD.

Gaya MLA

J.H.CLOUGH-SMITH, . "AN INTRODUCTION TO SPHERICAL TRIGONOMETRY". GREAT BRITAIN: BROWN, SON AND FERGUSON, LTD, 1978. Text.