Holbrook, S. H. (1950). Personalities of the woods: A collection of Bethlehem Pacific wire rope advertisements that contain personality sketches. Bethlehem Pacific Coast Steel Corp..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolbrook, Stewart H. Personalities of the Woods: A Collection of Bethlehem Pacific Wire Rope Advertisements That Contain Personality Sketches. San Francisco [Calif.]: Bethlehem Pacific Coast Steel Corp., 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHolbrook, Stewart H. Personalities of the Woods: A Collection of Bethlehem Pacific Wire Rope Advertisements That Contain Personality Sketches. Bethlehem Pacific Coast Steel Corp., 1950.
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