Gaya APA

Lippman, Walter. (2006). A Preface to Politics (Cet. 1). NewYork: Project Gutenberg.

Gaya Chicago

Lippman, Walter. A Preface to Politics. Cet. 1 NewYork: Project Gutenberg, 2006. Computer File.

Gaya MLA

Lippman, Walter. A Preface to Politics. Cet. 1 NewYork: Project Gutenberg, 2006. Computer File.

Gaya Turabian

Lippman, Walter. A Preface to Politics. Cet. 1 NewYork: Project Gutenberg, 2006. Computer File.