APA (7th ed.) Zitazioa

Blackburn, H. Elements of Plane Trigonometry For the use of the junior class of mathematics in the University of Glasgow.

Chicago Style (17th ed.) Zitazioa

Blackburn, Hugh. Elements of Plane Trigonometry For the Use of the Junior Class of Mathematics in the University of Glasgow.

MLA (9th ed.) Zitazioa

Blackburn, Hugh. Elements of Plane Trigonometry For the Use of the Junior Class of Mathematics in the University of Glasgow.