Gaya APA

Kerr, J. (1963). The snake has all the lines, three exerpts. Copyright 1958, 1959, 1960 . Garden City: Catholic Family Book Club.

Gaya MLA

Kerr, Jean.. "The snake has all the lines, three exerpts. Copyright 1958, 1959, 1960 ". Garden City: Catholic Family Book Club, 1963. Buku.