Keppler, H. (1966). The Honeywell Pentax way: The Pentax photographer's companion. New York: Amphoto.
Trích dẫn kiểu ChicagoKeppler, H. The Honeywell Pentax Way: The Pentax Photographer's Companion. New York: Amphoto, 1966.
ציטוט MLAKeppler, H. The Honeywell Pentax Way: The Pentax Photographer's Companion. New York: Amphoto, 1966.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.